diff --git a/static/index.html b/static/index.html
index da24a7a7c..8e0b02a97 100644
--- a/static/index.html
+++ b/static/index.html
@@ -4,7 +4,7 @@
         <title>Etherpad Lite</title>
 
         <meta charset="utf-8"> 
-        <meta name="viewport" content="width=device-width, user-scalable=0">
+        <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=0">
 
         <style>
             body {
diff --git a/static/pad.html b/static/pad.html
index 24c90970c..be92ecae8 100644
--- a/static/pad.html
+++ b/static/pad.html
@@ -5,7 +5,7 @@
 
         <meta charset="utf-8">
         <meta name="robots" content="noindex, nofollow">
-        <meta name="viewport" content="width=device-width, user-scalable=0">
+        <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=0">
 
         <link href="../static/css/pad.css" rel="stylesheet">
         <link href="../static/custom/pad.css" rel="stylesheet">