diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
index 52615c1..48dab7e 100644
--- a/app/views/layouts/application.html.erb
+++ b/app/views/layouts/application.html.erb
@@ -6,7 +6,7 @@
     <%= javascript_include_tag "application" %>
     <%= favicon_link_tag '/favicon.ico' %>
     <%= csrf_meta_tags %>
-<script type="text/javascript" src="https://c328740.ssl.cf1.rackcdn.com/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML&delayStartupUntil=onload"></script>
+<script type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML&delayStartupUntil=onload"></script>
 <link href='//fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,600,300,800,700' rel='stylesheet' type='text/css'>
 </head>
 <body class="<%= @splash ? 'splash' : ''%>">
