diff --git a/demo/index.html b/demo/index.html
index fb55f72..b952c3d 100644
--- a/demo/index.html
+++ b/demo/index.html
@@ -1,6 +1,8 @@
 <!doctype html>
 <html>
   <head>
+    <meta HTTP-equiv="X-UA-Compatible" content="IE=EDGE">
+
     <script src="/socket.io/socket.io.js">
     </script>
 
