diff --git a/core/includes/theme.inc b/core/includes/theme.inc
index d1a5157..7f354aa 100644
--- a/core/includes/theme.inc
+++ b/core/includes/theme.inc
@@ -2671,8 +2671,7 @@ function drupal_common_theme() {
     'menu_tree' => array(
       'render element' => 'tree',
       'template' => 'menu-tree',
-      'path' => 'core/includes',
-      'file' => 'menu.inc',
+      'includes' => array('core/includes/menu.inc'),
     ),
     'menu_local_task' => array(
       'render element' => 'element',