diff --git a/index.html b/index.html
index f642e98..84c8257 100644
--- a/index.html
+++ b/index.html
@@ -58,7 +58,7 @@
 	</head>
 	<body>
 		<script>
-			var video = '<video id="video" autoplay loop><source src="http://vjs.zencdn.net/v/oceans.webm" type="video/webm"><source src="http://vjs.zencdn.net/v/oceans.mp4" type="video/mp4"></video>';
+			var video = '<video id="video" autoplay muted loop><source src="http://vjs.zencdn.net/v/oceans.webm" type="video/webm"><source src="http://vjs.zencdn.net/v/oceans.mp4" type="video/mp4"></video>';
 			var demo1 = function() {
 				var v = document.getElementById('video');
 				if (v !== null) v.parentNode.removeChild(v);
