diff --git a/IPython/html/static/widgets/js/manager.js b/IPython/html/static/widgets/js/manager.js
index f8e951ab2..38626c8fc 100644
--- a/IPython/html/static/widgets/js/manager.js
+++ b/IPython/html/static/widgets/js/manager.js
@@ -4,8 +4,9 @@
 define([
     "underscore",
     "backbone",
+    "jquery",
     "base/js/namespace"
-], function (_, Backbone, IPython) {
+], function (_, Backbone, $, IPython) {
 
     //--------------------------------------------------------------------
     // WidgetManager class