diff --git a/index.html b/index.html
index 72df422..304f5b7 100644
--- a/index.html
+++ b/index.html
@@ -2,6 +2,7 @@
     <head>
         <title>Morse Converter</title>
         <link rel="stylesheet" type="text/css" href="res/css/main.css" />
+        <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no" />
         <script src="./res/js/jquery-2.1.3.min.js"></script>
         <script src="http://jquery-ui.googlecode.com/svn/tags/latest/ui/jquery.effects.core.js"></script>
         <script src="http://jquery-ui.googlecode.com/svn/tags/latest/ui/jquery.effects.slide.js"></script>
