diff --git a/templates/base.html b/templates/base.html
index 44b1c72..8bc8cc4 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -5,7 +5,7 @@
     <title>Refunds &bull; {% block title %}{% endblock %}</title>
 
     <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0, max-scale=1.0, user-scalable=no">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
 
     {% block javascript %}
         <script src="https://code.jquery.com/jquery-2.2.3.min.js"