diff --git a/index.html b/index.html
index 78ac29d..39cfabd 100755
--- a/index.html
+++ b/index.html
@@ -172,6 +172,6 @@
 
         <script src="./res/js/jquery-2.1.4.min.js"></script>
         <script src="./res/js/main.js"></script>
-	<script src="./res/dart/main.js"></script>
+	    <script async src="./res/dart/main.dart.js"></script>
     </body>
 </html>