diff --git a/index.html b/index.html
index 20674de66..0fd5ff472 100644
--- a/index.html
+++ b/index.html
@@ -4,7 +4,7 @@
         <meta charset='utf-8'>
         <title>iD</title>
         <link rel='stylesheet' href='dist/iD.css'/>
-        <meta name='viewport' content='initial-scale=1.0 maximum-scale=1.0'/>
+        <meta name='viewport' content='width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no'/>
         <meta name='apple-mobile-web-app-capable' content='yes'/>
         <meta name='apple-mobile-web-app-status-bar-style' content='black-translucent'/>
         <script src='dist/iD.js'></script>