diff --git a/client/html/index.htm b/client/html/index.htm
index 00728903..2f0f4e40 100644
--- a/client/html/index.htm
+++ b/client/html/index.htm
@@ -2,7 +2,7 @@
 <html>
 <head>
     <meta charset='utf-8'/>
-    <meta name='viewport' content='width=device-width, initial-scale=1, maximum-scale=1'/>
+    <meta name='viewport' content='width=device-width, initial-scale=1.0'>
     <meta name='theme-color' content='#24aadd'/>
     <meta name='apple-mobile-web-app-capable' content='yes'/>
     <meta name='apple-mobile-web-app-status-bar-style' content='black'/>
