diff --git a/test/libraries/PMA_mysql_charsets_test.php b/test/libraries/PMA_mysql_charsets_test.php
index 4d817abac9..8c438a0ea1 100644
--- a/test/libraries/PMA_mysql_charsets_test.php
+++ b/test/libraries/PMA_mysql_charsets_test.php
@@ -10,6 +10,7 @@
  * Include to test.
  */
 require_once 'libraries/mysql_charsets.lib.php';
+require_once 'libraries/php-gettext/gettext.inc';
 
 /**
  * Tests for MySQL Charsets