diff --git a/public/index.html b/public/index.html
index ebdab9f..ceefd53 100755
--- a/public/index.html
+++ b/public/index.html
@@ -6,8 +6,10 @@
         <!-- Meta Information -->
         <meta charset="utf-8" />
         <meta http-equiv="X-UA-Compatible" content="IE=edge" />
-        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-
+        <meta
+            name="viewport"
+            content="width=device-width, height=device-height, initial-scale=1.0, maximum-scale=1.0, user-scalable=0"
+        />
         <!-- https://favicon.io/favicon-generator/ -->
         <link rel="apple-touch-icon" sizes="180x180" href="/favicon/apple-touch-icon.png" />
         <link rel="icon" type="image/png" sizes="32x32" href="/favicon/favicon-32x32.png" />