diff --git a/header.php b/header.php
index 774d234..e673802 100755
--- a/header.php
+++ b/header.php
@@ -15,6 +15,7 @@
     <![endif]-->
     <!--[if lt IE 9]>
     <script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
+    <script src="//css3-mediaqueries-js.googlecode.com/svn/trunk/css3-mediaqueries.js"></script>
     <script src="//cdnjs.cloudflare.com/ajax/libs/selectivizr/1.0.2/selectivizr-min.js"></script>
     <![endif]-->
   </head>