diff --git a/examples/hello_world/web/index.html b/examples/hello_world/web/index.html
index 313adac93f9..f1dcccf5794 100644
--- a/examples/hello_world/web/index.html
+++ b/examples/hello_world/web/index.html
@@ -4,6 +4,7 @@ Use of this source code is governed by a BSD-style license that can be
 found in the LICENSE file. -->
 <html>
     <head>
+        <meta charset="UTF-8">
         <title>Hello, World</title>
     </head>
     <body>
