diff --git a/nodereference_url.module b/nodereference_url.module
old mode 100644
new mode 100755
index 2000fcc..9a11ee4
--- a/nodereference_url.module
+++ b/nodereference_url.module
@@ -454,6 +454,7 @@ function _nodereference_url_process($element, $form_state, $form) {
     '#type' => 'hidden',
     '#value' => isset($element['#value']) ? $element['#value'] : $element['#value'],
     '#parents' => $element['#parents'],
+    '#ajax' => $element['#ajax'],
   );
 
   return $element;