diff --git a/RoboFile.php b/RoboFile.php
index e73d3e48..8df789ba 100644
--- a/RoboFile.php
+++ b/RoboFile.php
@@ -85,7 +85,7 @@ class RoboFile extends \Robo\Tasks {
             $dbg = dirname(\PHP_BINARY)."\\phpdbg.exe";
             $dbg = file_exists($dbg) ? $dbg : "";
         } else {
-            $dbg = `which phpdbg`;
+            $dbg = trim(`which phpdbg`);
         }
         if ($dbg) {
             return escapeshellarg($dbg)." -qrr";
diff --git a/robo b/robo
index 7d4d4d76..d6af8dfa 100755
--- a/robo
+++ b/robo
@@ -3,8 +3,8 @@ base=`dirname "$0"`
 roboCommand="$1"
 
 shift
-if [ "$1" == "clean" ]; then
+if [ "$1" = "clean" ]; then
     "$base/vendor/bin/robo" "$roboCommand" $*
 else
     "$base/vendor/bin/robo" "$roboCommand" -- $*
-fi
\ No newline at end of file
+fi