diff --git a/src/server/gf-client.html b/src/server/gf-client.html
index 14c580a52..8af22c9cb 100644
--- a/src/server/gf-client.html
+++ b/src/server/gf-client.html
@@ -3,6 +3,8 @@
 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+    <meta name="viewport" content="initial-scale=2.3" />
+    <meta name="viewport" content="width=320; initial-scale=1.0; maximum-scale=1.0;" />
     <link rel="stylesheet" type="text/css" href="translator.css" />
     <script type="text/javascript" src="gf-server-jsapi.js"></script>
     <script type="text/javascript" src="translator.js"></script>
