diff --git a/html/webapp/index.html b/html/webapp/index.html
index 9adae5a..6112aac 100644
--- a/html/webapp/index.html
+++ b/html/webapp/index.html
@@ -3,7 +3,7 @@
 <head>
   <title>AGILE - An HTML5 implementation of Sierra On-Line's AGI interpreter</title>
   <meta http-equiv="content-type" content="text/html; charset=UTF-8">
-  <meta id="gameViewport" name="viewport" content="width=device-width initial-scale=1.0 interactive-widget=resizes-content">
+  <meta id="gameViewport" name="viewport" content="width=device-width, initial-scale=1.0, interactive-widget=resizes-content">
   <meta name="theme-color" content="#000000">
   <link href="styles.css" rel="stylesheet" type="text/css">
 </head>
