diff --git a/index.html b/index.html
index f95bee9..1c4ea28 100644
--- a/index.html
+++ b/index.html
@@ -4,6 +4,7 @@
     <script type="text/javascript" src="js-runtime/reflect.js"></script>
     <script type="text/javascript" src="game.js"></script>
     <link rel="stylesheet" href="game.css" />
+    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
   </head>
   <body>
     <canvas id="canvas"></canvas>
