diff --git a/src/pretix/presale/templates/pretixpresale/base.html b/src/pretix/presale/templates/pretixpresale/base.html
index 935164d69d..4db3ed8a9c 100644
--- a/src/pretix/presale/templates/pretixpresale/base.html
+++ b/src/pretix/presale/templates/pretixpresale/base.html
@@ -32,7 +32,7 @@
     {% endcompress %}
     <meta name="referrer" content="origin">
     {{ html_head|safe }}
-    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1.0, user-scalable=0">
     <link rel="icon" href="{% static "pretixbase/img/favicon.ico" %}">
     {% block custom_header %}{% endblock %}
 </head>