diff --git a/docs/index.html b/docs/index.html
index 2322119..cae5456 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -8,6 +8,7 @@
         <title>AMY web example</title>
         <link href="https://fonts.googleapis.com/css?family=Quicksand:500" rel="stylesheet">
         <link href="style.css" rel="stylesheet">
+        <script type="text/javascript" src="enable-threads.js"></script>
         <script type="text/javascript" src="amy.js"></script>
         <script language="javascript">
             var amy_play_message = null;
@@ -381,4 +382,4 @@ <h2>AMY message creator</h2>
         // On click anywhere, start audio 
         document.body.addEventListener('click', start_audio, true); 
     </script>
-</html>
\ No newline at end of file
+</html>