diff --git a/src/index.template.html b/src/index.template.html
index 56fdcec30..7c3798d00 100644
--- a/src/index.template.html
+++ b/src/index.template.html
@@ -7,7 +7,7 @@
     <meta name="apple-mobile-web-app-capable" content="yes">
     <meta name="apple-mobile-web-app-status-bar-style" content="default">
     <link rel="apple-touch-icon" sizes="120x120" href="/public/logo-120.png">
-    <meta name="viewport" content="width=device-width, initial-scale=1, minimal-ui">
+    <meta name="viewport" content="width=device-width, initial-scale=1, minimal-ui, maximum-scale=1,user-scalable=no">
     <link rel="shortcut icon" sizes="48x48" href="/public/logo-48.png">
     <meta name="theme-color" content="#f60">
     <link rel="manifest" href="/manifest.json">