diff --git a/src/_h5ai/header.html b/src/_h5ai/header.html
index c5ae49f6..69f752dc 100644
--- a/src/_h5ai/header.html
+++ b/src/_h5ai/header.html
@@ -15,6 +15,7 @@
 	<link rel="stylesheet" href="http://fonts.googleapis.com/css?family=Ubuntu:regular,italic,bold">
 	<link rel="stylesheet" href="/_h5ai/css/main.css">
 	<script src="/_h5ai/js/modernizr.min.js"></script>
+	<!--[if lt IE 9]><script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script><![endif]-->
 </head>
 <body>
 	<nav class="clearfix hideOnNoJs">
diff --git a/src/_h5ai/header.php b/src/_h5ai/header.php
index c428286f..4d75927e 100644
--- a/src/_h5ai/header.php
+++ b/src/_h5ai/header.php
@@ -16,6 +16,7 @@
 	<link rel="stylesheet" href="http://fonts.googleapis.com/css?family=Ubuntu:regular,italic,bold">
 	<link rel="stylesheet" href="/_h5ai/css/main.css">
 	<script src="/_h5ai/js/modernizr.min.js"></script>
+	<!--[if lt IE 9]><script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script><![endif]-->
 </head>
 <body>
 	<nav class="clearfix">
