diff --git a/lib/base.php b/lib/base.php
index 5f8a7ed0f1..fcb3ff0b56 100644
--- a/lib/base.php
+++ b/lib/base.php
@@ -528,7 +528,8 @@ class OC {
 			OC::$SERVERROOT . '/settings',
 			OC::$SERVERROOT . '/ocs',
 			OC::$SERVERROOT . '/ocs-provider',
-			OC::$SERVERROOT . '/3rdparty'
+			OC::$SERVERROOT . '/3rdparty',
+			OC::$SERVERROOT . '/tests',
 		]);
 		spl_autoload_register(array(self::$loader, 'load'));
 		$loaderEnd = microtime(true);