diff --git a/index.html b/index.html
index dcd2cd07..584649e9 100755
--- a/index.html
+++ b/index.html
@@ -4,7 +4,7 @@
     <meta charset="UTF-8" />
     <link rel="icon" href="/favicon.svg" />
     <link rel="stylesheet" href="/browser_upgrade/index.css" />
-    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0, viewport-fit=cover"/>
     <meta http-equiv="Expires" content="0">
     <meta http-equiv="Pragma" content="no-cache">
     <meta http-equiv="Cache-control" content="no-cache">