diff --git a/tests/TestLang.php b/tests/TestLang.php
index 8188f79e..afd48a86 100644
--- a/tests/TestLang.php
+++ b/tests/TestLang.php
@@ -46,6 +46,7 @@ class TestLang extends \PHPUnit\Framework\TestCase {
 		self::$path = null;
 		self::$vfs = null;
 		self::$files = null;
+		Lang::set("", true);
 		Lang::set(Lang::DEFAULT, true);
 	}
 
diff --git a/tests/testLangComplex.php b/tests/testLangComplex.php
index 86673075..019c0506 100644
--- a/tests/testLangComplex.php
+++ b/tests/testLangComplex.php
@@ -46,6 +46,7 @@ class TestLangComplex extends \PHPUnit\Framework\TestCase {
 		self::$path = null;
 		self::$vfs = null;
 		self::$files = null;
+		Lang::set("", true);
 		Lang::set(Lang::DEFAULT, true);
 	}