diff --git a/index.html b/index.html
index 6cbd28fbdf..97d08e1598 100644
--- a/index.html
+++ b/index.html
@@ -2,7 +2,7 @@
 <html class="no-js" lang="">
     <head>
         <meta charset="utf-8">
-        <meta http-equiv="X-UA-Compatible" content="IE=edge">
+        <meta http-equiv="x-ua-compatible" content="ie=edge">
         <title></title>
         <meta name="description" content="">
         <meta name="viewport" content="width=device-width, initial-scale=1">
