diff --git a/composer.json b/composer.json
index 0fef64b7..6d05da07 100644
--- a/composer.json
+++ b/composer.json
@@ -17,13 +17,19 @@
         }
 
     ],
+    "repositories": [
+        {
+            "type": "vcs",
+            "url": "https://github.com/JKingweb/picoFeed-1"
+        }
+    ],
     "require": {
         "php": "^7.1",
         "ext-intl": "*",
         "ext-json": "*",
         "ext-hash": "*",
         "ext-dom": "*",
-        "p3k/picofeed": "0.1.*",
+        "nicolus/picofeed": "dev-fixed",
         "hosteurope/password-generator": "1.*",
         "docopt/docopt": "1.*",
         "jkingweb/druuid": "3.*",
diff --git a/composer.lock b/composer.lock
index bc0f82a0..f61e035b 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "356cebec1e1e689b4249b661f787b7d9",
+    "content-hash": "9710e0638278222dc8d6207d4141e529",
     "packages": [
         {
             "name": "docopt/docopt",
@@ -52,6 +52,195 @@
             ],
             "time": "2019-12-03T02:48:46+00:00"
         },
+        {
+            "name": "guzzlehttp/guzzle",
+            "version": "6.5.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/guzzle/guzzle.git",
+                "reference": "43ece0e75098b7ecd8d13918293029e555a50f82"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/43ece0e75098b7ecd8d13918293029e555a50f82",
+                "reference": "43ece0e75098b7ecd8d13918293029e555a50f82",
+                "shasum": ""
+            },
+            "require": {
+                "ext-json": "*",
+                "guzzlehttp/promises": "^1.0",
+                "guzzlehttp/psr7": "^1.6.1",
+                "php": ">=5.5"
+            },
+            "require-dev": {
+                "ext-curl": "*",
+                "phpunit/phpunit": "^4.8.35 || ^5.7 || ^6.4 || ^7.0",
+                "psr/log": "^1.1"
+            },
+            "suggest": {
+                "ext-intl": "Required for Internationalized Domain Name (IDN) support",
+                "psr/log": "Required for using the Log middleware"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "6.5-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "GuzzleHttp\\": "src/"
+                },
+                "files": [
+                    "src/functions_include.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Michael Dowling",
+                    "email": "mtdowling@gmail.com",
+                    "homepage": "https://github.com/mtdowling"
+                }
+            ],
+            "description": "Guzzle is a PHP HTTP client library",
+            "homepage": "http://guzzlephp.org/",
+            "keywords": [
+                "client",
+                "curl",
+                "framework",
+                "http",
+                "http client",
+                "rest",
+                "web service"
+            ],
+            "time": "2019-12-23T11:57:10+00:00"
+        },
+        {
+            "name": "guzzlehttp/promises",
+            "version": "v1.3.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/guzzle/promises.git",
+                "reference": "a59da6cf61d80060647ff4d3eb2c03a2bc694646"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/guzzle/promises/zipball/a59da6cf61d80060647ff4d3eb2c03a2bc694646",
+                "reference": "a59da6cf61d80060647ff4d3eb2c03a2bc694646",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.5.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.4-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "GuzzleHttp\\Promise\\": "src/"
+                },
+                "files": [
+                    "src/functions_include.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Michael Dowling",
+                    "email": "mtdowling@gmail.com",
+                    "homepage": "https://github.com/mtdowling"
+                }
+            ],
+            "description": "Guzzle promises library",
+            "keywords": [
+                "promise"
+            ],
+            "time": "2016-12-20T10:07:11+00:00"
+        },
+        {
+            "name": "guzzlehttp/psr7",
+            "version": "1.6.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/guzzle/psr7.git",
+                "reference": "239400de7a173fe9901b9ac7c06497751f00727a"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/guzzle/psr7/zipball/239400de7a173fe9901b9ac7c06497751f00727a",
+                "reference": "239400de7a173fe9901b9ac7c06497751f00727a",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.4.0",
+                "psr/http-message": "~1.0",
+                "ralouphie/getallheaders": "^2.0.5 || ^3.0.0"
+            },
+            "provide": {
+                "psr/http-message-implementation": "1.0"
+            },
+            "require-dev": {
+                "ext-zlib": "*",
+                "phpunit/phpunit": "~4.8.36 || ^5.7.27 || ^6.5.8"
+            },
+            "suggest": {
+                "zendframework/zend-httphandlerrunner": "Emit PSR-7 responses"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.6-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "GuzzleHttp\\Psr7\\": "src/"
+                },
+                "files": [
+                    "src/functions_include.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Michael Dowling",
+                    "email": "mtdowling@gmail.com",
+                    "homepage": "https://github.com/mtdowling"
+                },
+                {
+                    "name": "Tobias Schultze",
+                    "homepage": "https://github.com/Tobion"
+                }
+            ],
+            "description": "PSR-7 message implementation that also provides common utility methods",
+            "keywords": [
+                "http",
+                "message",
+                "psr-7",
+                "request",
+                "response",
+                "stream",
+                "uri",
+                "url"
+            ],
+            "time": "2019-07-01T23:21:34+00:00"
+        },
         {
             "name": "hosteurope/password-generator",
             "version": "v1.0.1",
@@ -137,6 +326,81 @@
             ],
             "time": "2017-02-09T14:17:01+00:00"
         },
+        {
+            "name": "kevinrob/guzzle-cache-middleware",
+            "version": "v2.1.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/Kevinrob/guzzle-cache-middleware.git",
+                "reference": "6952064f7747756b0be7b4c234c0fd7535ea4c8c"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/Kevinrob/guzzle-cache-middleware/zipball/6952064f7747756b0be7b4c234c0fd7535ea4c8c",
+                "reference": "6952064f7747756b0be7b4c234c0fd7535ea4c8c",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.5.0"
+            },
+            "require-dev": {
+                "cache/array-adapter": "^0.4",
+                "doctrine/cache": "^1.0",
+                "guzzlehttp/guzzle": "^6.0",
+                "illuminate/cache": "^5.0",
+                "league/flysystem": "^1.0",
+                "phpunit/phpunit": "^4.0 || ^5.0",
+                "psr/cache": "^1.0"
+            },
+            "suggest": {
+                "doctrine/cache": "This library have a lot of ready-to-use cache storage (to be use with Kevinrob\\GuzzleCache\\Storage\\DoctrineCacheStorage)",
+                "guzzlehttp/guzzle": "For using this library. It was created for Guzzle6. (but you can use it with any PSR-7 HTTP Client)",
+                "laravel/framework": "To be use with Kevinrob\\GuzzleCache\\Storage\\LaravelCacheStorage",
+                "league/flysystem": "To be use with Kevinrob\\GuzzleCache\\Storage\\FlysystemStorage",
+                "psr/cache": "To be use with Kevinrob\\GuzzleCache\\Storage\\Psr6CacheStorage"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Kevinrob\\GuzzleCache\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Kevin Robatel",
+                    "email": "kevinrob2@gmail.com",
+                    "homepage": "https://github.com/Kevinrob"
+                }
+            ],
+            "description": "A HTTP/1.1 Cache for Guzzle 6. It's a simple Middleware to be added in the HandlerStack. (RFC 7234)",
+            "homepage": "https://github.com/Kevinrob/guzzle-cache-middleware",
+            "keywords": [
+                "Etag",
+                "Flysystem",
+                "Guzzle",
+                "cache",
+                "cache-control",
+                "doctrine",
+                "expiration",
+                "guzzle6",
+                "handler",
+                "http",
+                "http 1.1",
+                "middleware",
+                "performance",
+                "php",
+                "promise",
+                "psr6",
+                "psr7",
+                "rfc7234",
+                "validation"
+            ],
+            "time": "2017-08-17T12:23:43+00:00"
+        },
         {
             "name": "laminas/laminas-diactoros",
             "version": "2.2.2",
@@ -280,6 +544,56 @@
             ],
             "time": "2019-12-31T17:06:16+00:00"
         },
+        {
+            "name": "laminas/laminas-xml",
+            "version": "1.2.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/laminas/laminas-xml.git",
+                "reference": "879cc66d1bba6a37705e98074f52a6960c220020"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/laminas/laminas-xml/zipball/879cc66d1bba6a37705e98074f52a6960c220020",
+                "reference": "879cc66d1bba6a37705e98074f52a6960c220020",
+                "shasum": ""
+            },
+            "require": {
+                "laminas/laminas-zendframework-bridge": "^1.0",
+                "php": "^5.6 || ^7.0"
+            },
+            "replace": {
+                "zendframework/zendxml": "self.version"
+            },
+            "require-dev": {
+                "laminas/laminas-coding-standard": "~1.0.0",
+                "phpunit/phpunit": "^5.7.27 || ^6.5.8 || ^7.1.4"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.2.x-dev",
+                    "dev-develop": "1.3.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Laminas\\Xml\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "description": "Utility library for XML usage, best practices, and security in PHP",
+            "homepage": "https://laminas.dev",
+            "keywords": [
+                "laminas",
+                "security",
+                "xml"
+            ],
+            "time": "2019-12-31T18:05:42+00:00"
+        },
         {
             "name": "laminas/laminas-zendframework-bridge",
             "version": "1.0.1",
@@ -333,17 +647,17 @@
             "time": "2020-01-07T22:58:31+00:00"
         },
         {
-            "name": "p3k/picofeed",
-            "version": "v0.1.35",
+            "name": "nicolus/picofeed",
+            "version": "dev-fixed",
             "source": {
                 "type": "git",
-                "url": "https://github.com/aaronpk/picofeed.git",
-                "reference": "b2a48acb026df91d2e21dfc8b4edbc1fc48f01f1"
+                "url": "https://github.com/JKingweb/picoFeed-1.git",
+                "reference": "419bc85afb18a84e43274029cf8e198cc5785425"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/aaronpk/picofeed/zipball/b2a48acb026df91d2e21dfc8b4edbc1fc48f01f1",
-                "reference": "b2a48acb026df91d2e21dfc8b4edbc1fc48f01f1",
+                "url": "https://api.github.com/repos/JKingweb/picoFeed-1/zipball/419bc85afb18a84e43274029cf8e198cc5785425",
+                "reference": "419bc85afb18a84e43274029cf8e198cc5785425",
                 "shasum": ""
             },
             "require": {
@@ -352,16 +666,22 @@
                 "ext-libxml": "*",
                 "ext-simplexml": "*",
                 "ext-xml": "*",
-                "php": ">=5.3.0",
-                "zendframework/zendxml": "^1.0"
+                "guzzlehttp/guzzle": "~6.0",
+                "kevinrob/guzzle-cache-middleware": "^2.1",
+                "laminas/laminas-xml": "^1.0",
+                "php": ">=7.1",
+                "psr/log": "^1.0"
             },
             "require-dev": {
+                "blastcloud/guzzler": "^1.5",
+                "monolog/monolog": "^1.23",
+                "php-coveralls/php-coveralls": "^2.1",
                 "phpdocumentor/reflection-docblock": "2.0.4",
-                "phpunit/phpunit": "4.8.26",
-                "symfony/yaml": "2.8.7"
+                "phpunit/phpunit": "^7.0.0"
             },
             "suggest": {
-                "ext-curl": "PicoFeed will use cURL if present"
+                "ext-curl": "PicoFeed will use cURL if present",
+                "monolog/monolog": "You can set a monolog Logger to get debug information from PicoFeed"
             },
             "bin": [
                 "picofeed"
@@ -372,18 +692,23 @@
                     "PicoFeed": "lib/"
                 }
             },
-            "notification-url": "https://packagist.org/downloads/",
             "license": [
                 "MIT"
             ],
             "authors": [
                 {
                     "name": "Frédéric Guillot"
+                },
+                {
+                    "name": "Nicolas Bailly"
                 }
             ],
-            "description": "Modern library to handle RSS/Atom feeds",
-            "homepage": "https://github.com/aaronpk/picoFeed",
-            "time": "2019-01-17T17:26:41+00:00"
+            "description": "RSS/Atom parsing library",
+            "homepage": "https://github.com/nicolus/picoFeed",
+            "support": {
+                "source": "https://github.com/JKingweb/picoFeed-1/tree/fixed"
+            },
+            "time": "2020-01-21T00:09:22+00:00"
         },
         {
             "name": "psr/http-factory",
@@ -541,51 +866,91 @@
             "time": "2018-10-30T16:46:14+00:00"
         },
         {
-            "name": "zendframework/zendxml",
-            "version": "1.2.0",
+            "name": "psr/log",
+            "version": "1.1.2",
             "source": {
                 "type": "git",
-                "url": "https://github.com/zendframework/ZendXml.git",
-                "reference": "eceab37a591c9e140772a1470338258857339e00"
+                "url": "https://github.com/php-fig/log.git",
+                "reference": "446d54b4cb6bf489fc9d75f55843658e6f25d801"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/zendframework/ZendXml/zipball/eceab37a591c9e140772a1470338258857339e00",
-                "reference": "eceab37a591c9e140772a1470338258857339e00",
+                "url": "https://api.github.com/repos/php-fig/log/zipball/446d54b4cb6bf489fc9d75f55843658e6f25d801",
+                "reference": "446d54b4cb6bf489fc9d75f55843658e6f25d801",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.6 || ^7.0"
-            },
-            "require-dev": {
-                "phpunit/phpunit": "^5.7.27 || ^6.5.8 || ^7.1.4",
-                "zendframework/zend-coding-standard": "~1.0.0"
+                "php": ">=5.3.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.2.x-dev",
-                    "dev-develop": "1.3.x-dev"
+                    "dev-master": "1.1.x-dev"
                 }
             },
             "autoload": {
                 "psr-4": {
-                    "ZendXml\\": "src/"
+                    "Psr\\Log\\": "Psr/Log/"
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
-                "BSD-3-Clause"
+                "MIT"
             ],
-            "description": "Utility library for XML usage, best practices, and security in PHP",
+            "authors": [
+                {
+                    "name": "PHP-FIG",
+                    "homepage": "http://www.php-fig.org/"
+                }
+            ],
+            "description": "Common interface for logging libraries",
+            "homepage": "https://github.com/php-fig/log",
             "keywords": [
-                "ZendFramework",
-                "security",
-                "xml",
-                "zf"
+                "log",
+                "psr",
+                "psr-3"
             ],
-            "abandoned": "laminas/laminas-xml",
-            "time": "2019-01-22T19:42:14+00:00"
+            "time": "2019-11-01T11:05:21+00:00"
+        },
+        {
+            "name": "ralouphie/getallheaders",
+            "version": "3.0.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/ralouphie/getallheaders.git",
+                "reference": "120b605dfeb996808c31b6477290a714d356e822"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/ralouphie/getallheaders/zipball/120b605dfeb996808c31b6477290a714d356e822",
+                "reference": "120b605dfeb996808c31b6477290a714d356e822",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.6"
+            },
+            "require-dev": {
+                "php-coveralls/php-coveralls": "^2.1",
+                "phpunit/phpunit": "^5 || ^6.5"
+            },
+            "type": "library",
+            "autoload": {
+                "files": [
+                    "src/getallheaders.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Ralph Khattar",
+                    "email": "ralph.khattar@gmail.com"
+                }
+            ],
+            "description": "A polyfill for getallheaders.",
+            "time": "2019-03-08T08:55:37+00:00"
         }
     ],
     "packages-dev": [
@@ -631,7 +996,9 @@
     ],
     "aliases": [],
     "minimum-stability": "stable",
-    "stability-flags": [],
+    "stability-flags": {
+        "nicolus/picofeed": 20
+    },
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
diff --git a/lib/AbstractException.php b/lib/AbstractException.php
index 0165d464..4c0496a6 100644
--- a/lib/AbstractException.php
+++ b/lib/AbstractException.php
@@ -77,11 +77,12 @@ abstract class AbstractException extends \Exception {
         "User/ExceptionSession.invalid"               => 10431,
         "Feed/Exception.invalidCertificate"           => 10501,
         "Feed/Exception.invalidUrl"                   => 10502,
-        "Feed/Exception.maxRedirect"                  => 10503,
+        "Feed/Exception.tooManyRedirects"             => 10503,
         "Feed/Exception.maxSize"                      => 10504,
         "Feed/Exception.timeout"                      => 10505,
         "Feed/Exception.forbidden"                    => 10506,
         "Feed/Exception.unauthorized"                 => 10507,
+        "Feed/Exception.transmissionError"            => 10508,
         "Feed/Exception.malformedXml"                 => 10511,
         "Feed/Exception.xmlEntity"                    => 10512,
         "Feed/Exception.subscriptionNotFound"         => 10521,
diff --git a/lib/Feed.php b/lib/Feed.php
index 87e6016f..71f30da0 100644
--- a/lib/Feed.php
+++ b/lib/Feed.php
@@ -101,6 +101,8 @@ class Feed {
             return $client;
         } catch (PicoFeedException $e) {
             throw new Feed\Exception($url, $e);
+        } catch (\GuzzleHttp\Exception\GuzzleException $e) {
+            throw new Feed\Exception($url, $e);
         }
     }
 
@@ -121,6 +123,10 @@ class Feed {
             // work around a PicoFeed memory leak
             libxml_use_internal_errors(false);
             throw new Feed\Exception($this->resource->getUrl(), $e);
+        } catch (\GuzzleHttp\Exception\GuzzleException $e) {
+            // work around a PicoFeed memory leak
+            libxml_use_internal_errors(false);
+            throw new Feed\Exception($this->resource->getUrl(), $e);
         }
 
         // PicoFeed does not provide valid ids when there is no id element. Its solution
diff --git a/lib/Feed/Exception.php b/lib/Feed/Exception.php
index 91fe085c..8e7bbab4 100644
--- a/lib/Feed/Exception.php
+++ b/lib/Feed/Exception.php
@@ -6,13 +6,39 @@
 declare(strict_types=1);
 namespace JKingWeb\Arsse\Feed;
 
+use GuzzleHttp\Exception\GuzzleException;
+
 class Exception extends \JKingWeb\Arsse\AbstractException {
     public function __construct($url, \Throwable $e) {
-        $className = get_class($e);
-        // Convert the exception thrown by PicoFeed to the one to be thrown here.
-        $msgID = preg_replace('/^PicoFeed\\\(?:Client|Parser|Reader)\\\([A-Za-z]+)Exception$/', '$1', $className);
-        // If the message ID doesn't change then it's unknown.
-        $msgID = ($msgID !== $className) ? lcfirst($msgID) : '';
+        if ($e instanceof GuzzleException) {
+            switch ($e->getCode()) {
+                case 401:
+                    $msgID = "unauthorized";
+                    break;
+                case 403:
+                    $msgID = "forbidden";
+                    break;
+                case 404:
+                case 410:
+                    $msgID = "invalidUrl";
+                    break;
+                case 508:
+                    $msgID = "tooManyRedirects";
+                    break;
+                default:
+                    $c = $e->getCode();
+                    if ($c >= 400 && $c < 600) {
+                        $msgID = "transmissionError";
+                    }
+            }
+        }
+        if (!($msgID ?? "")) {
+            $className = get_class($e);
+            // Convert the exception thrown by PicoFeed to the one to be thrown here.
+            $msgID = preg_replace('/^(?:PicoFeed\\\(?:Client|Parser|Reader)|GuzzleHttp\\\Exception)\\\([A-Za-z]+)Exception$/', '$1', $className);
+            // If the message ID doesn't change then it's unknown.
+            $msgID = ($msgID !== $className) ? lcfirst($msgID) : '';
+        }
         parent::__construct($msgID, ['url' => $url], $e);
     }
 }
diff --git a/locale/en.php b/locale/en.php
index e095db8a..ff75bc8b 100644
--- a/locale/en.php
+++ b/locale/en.php
@@ -146,11 +146,12 @@ return [
     'Exception.JKingWeb/Arsse/User/ExceptionSession.invalid'               => 'Session with ID {0} does not exist',
     'Exception.JKingWeb/Arsse/Feed/Exception.invalidCertificate'           => 'Could not download feed "{url}" because its server is serving an invalid SSL certificate',
     'Exception.JKingWeb/Arsse/Feed/Exception.invalidUrl'                   => 'Feed URL "{url}" is invalid',
-    'Exception.JKingWeb/Arsse/Feed/Exception.maxRedirect'                  => 'Could not download feed "{url}" because its server reached its maximum number of HTTP redirections',
+    'Exception.JKingWeb/Arsse/Feed/Exception.tooManyRedirects'             => 'Could not download feed "{url}" because its server reached its maximum number of HTTP redirections',
     'Exception.JKingWeb/Arsse/Feed/Exception.maxSize'                      => 'Could not download feed "{url}" because its size exceeds the maximum allowed on its server',
     'Exception.JKingWeb/Arsse/Feed/Exception.timeout'                      => 'Could not download feed "{url}" because its server timed out',
     'Exception.JKingWeb/Arsse/Feed/Exception.forbidden'                    => 'Could not download feed "{url}" because you do not have permission to access it',
     'Exception.JKingWeb/Arsse/Feed/Exception.unauthorized'                 => 'Could not download feed "{url}" because you provided insufficient or invalid credentials',
+    'Exception.JKingWeb/Arsse/Feed/Exception.transmissionError'            => 'Could not download feed "{url}" because of a network error',
     'Exception.JKingWeb/Arsse/Feed/Exception.malformedXml'                 => 'Could not parse feed "{url}" because it is malformed',
     'Exception.JKingWeb/Arsse/Feed/Exception.xmlEntity'                    => 'Refused to parse feed "{url}" because it contains an XXE attack',
     'Exception.JKingWeb/Arsse/Feed/Exception.subscriptionNotFound'         => 'Unable to find a feed at location "{url}"',
diff --git a/tests/cases/Feed/TestFetching.php b/tests/cases/Feed/TestFetching.php
index 573c7e96..c83f269c 100644
--- a/tests/cases/Feed/TestFetching.php
+++ b/tests/cases/Feed/TestFetching.php
@@ -28,7 +28,7 @@ class TestFetching extends \JKingWeb\Arsse\Test\AbstractTest {
     }
 
     public function testHandle400(): void {
-        $this->assertException("unsupportedFeedFormat", "Feed");
+        $this->assertException("transmissionError", "Feed");
         new Feed(null, $this->base."Fetching/Error?code=400");
     }
 
@@ -48,12 +48,12 @@ class TestFetching extends \JKingWeb\Arsse\Test\AbstractTest {
     }
 
     public function testHandle500(): void {
-        $this->assertException("unsupportedFeedFormat", "Feed");
+        $this->assertException("transmissionError", "Feed");
         new Feed(null, $this->base."Fetching/Error?code=500");
     }
 
     public function testHandleARedirectLoop(): void {
-        $this->assertException("maxRedirect", "Feed");
+        $this->assertException("tooManyRedirects", "Feed");
         new Feed(null, $this->base."Fetching/EndlessLoop?i=0");
     }