diff --git a/docs/index.html b/docs/index.html
index eeed79b..20ef4a2 100755
--- a/docs/index.html
+++ b/docs/index.html
@@ -8,7 +8,7 @@
         <link rel="stylesheet" href="photon.css">
         <link rel="stylesheet" href="index.css">
 
-        <script src="index.js" defer></script>
+        <script type="text/javascript" src="index.js" defer></script>
     </head>
     <body>
         <div class="container">
