diff --git a/static/jupyter_template.tpl b/static/jupyter_template.tpl
index 0227cc8..51ce335 100755
--- a/static/jupyter_template.tpl
+++ b/static/jupyter_template.tpl
@@ -37,7 +37,7 @@ if( window.location.search.match( /print-pdf/gi ) ) {
 <![endif]-->
 
 <!-- Get Font-awesome from cdn -->
-<link rel="stylesheet" href="//netdna.bootstrapcdn.com/font-awesome/4.1.0/css/font-awesome.css">
+<link rel="stylesheet" href="https://netdna.bootstrapcdn.com/font-awesome/4.1.0/css/font-awesome.css">
 
 {% for css in resources.inlining.css -%}
     <style type="text/css">