diff --git a/core/modules/views/views_ui/admin.inc b/core/modules/views/views_ui/admin.inc
index 1a85269..2121250 100644
--- a/core/modules/views/views_ui/admin.inc
+++ b/core/modules/views/views_ui/admin.inc
@@ -1213,6 +1213,7 @@ function views_ui_add_item_form($form, &$form_state) {
   $type = $form_state['type'];
 
   $form = array(
+    'override' => array(),
     'options' => array(
       '#theme_wrappers' => array('container'),
       '#attributes' => array('class' => array('scroll')),