diff --git a/examples/threaditjs/index.html b/examples/threaditjs/index.html
index a760d400..d7f146a6 100644
--- a/examples/threaditjs/index.html
+++ b/examples/threaditjs/index.html
@@ -9,7 +9,7 @@
 	</head>
 	<body>
 		<div id="app"></div>
-		<script src="http://threaditjs.com/shared.js"></script>
+		<script src="//threaditjs.com/shared.js"></script>
 		<script src="../../module/module.js"></script>
 		<script src="../../mithril.js"></script>
 		<script src="app.js"></script>
