diff --git a/IPython/html/static/notebook/js/outputarea.js b/IPython/html/static/notebook/js/outputarea.js
index 2c23d92..b3e11e5 100644
--- a/IPython/html/static/notebook/js/outputarea.js
+++ b/IPython/html/static/notebook/js/outputarea.js
@@ -8,7 +8,8 @@ define([
'base/js/security',
'base/js/keyboard',
'notebook/js/mathjaxutils',
-], function(IPython, $, utils, security, keyboard, mathjaxutils) {
+ 'components/marked/lib/marked',
+], function(IPython, $, utils, security, keyboard, mathjaxutils, marked) {
"use strict";
/**