diff --git a/tests/test_framework/phpbb_database_test_case.php b/tests/test_framework/phpbb_database_test_case.php
index c704516968..d8533a3d15 100644
--- a/tests/test_framework/phpbb_database_test_case.php
+++ b/tests/test_framework/phpbb_database_test_case.php
@@ -11,6 +11,8 @@
 *
 */
 
+require_once dirname(__FILE__) . '/phpbb_testcase_extension_manager.php';
+
 abstract class phpbb_database_test_case extends PHPUnit_Extensions_Database_TestCase
 {
 	static private $already_connected;