diff --git a/core/app/assets/javascripts/refinery/admin.js b/core/app/assets/javascripts/refinery/admin.js
index <HASH>..<HASH> 100644
--- a/core/app/assets/javascripts/refinery/admin.js
+++ b/core/app/assets/javascripts/refinery/admin.js
@@ -96,6 +96,7 @@ init_modal_dialogs = function(){
 };
 
 trigger_reordering = function(e, enable) {
+  $menu = $("#menu");
   e.preventDefault();
   $('#menu_reorder, #menu_reorder_done').toggle();
   $('#site_bar, #content').fadeTo(500, enable ? 0.35 : 1);
added a reference to the menu back in admin.js that was taken out by mistake