diff --git a/src/pretix/presale/templates/pretixpresale/base.html b/src/pretix/presale/templates/pretixpresale/base.html
index 6681da55d0..dc5d18d452 100644
--- a/src/pretix/presale/templates/pretixpresale/base.html
+++ b/src/pretix/presale/templates/pretixpresale/base.html
@@ -16,16 +16,6 @@
             <link rel="stylesheet" type="text/x-scss" href="{% static "pretixpresale/scss/main.scss" %}"/>
         {% endcompress %}
     {% endif %}
-    <script type="text/javascript" src="{% url 'javascript-catalog' lang=request.LANGUAGE_CODE %}"></script>
-    {% compress js %}
-        <script type="text/javascript" src="{% static "jquery/js/jquery-2.1.1.min.js" %}"></script>
-        <script type="text/javascript" src="{% static "moment/moment-with-locales.js" %}"></script>
-        <script type="text/javascript" src="{% static "js/jquery.formset.js" %}"></script>
-        <script type="text/javascript" src="{% static "bootstrap/js/bootstrap.js" %}"></script>
-        <script type="text/javascript" src="{% static "pretixpresale/js/ui/main.js" %}"></script>
-        <script type="text/javascript" src="{% static "pretixpresale/js/ui/asynctask.js" %}"></script>
-        <script type="text/javascript" src="{% static "pretixpresale/js/ui/cart.js" %}"></script>
-    {% endcompress %}
     {{ html_head|safe }}
     <meta name="viewport" content="width=device-width, initial-scale=1">
     <meta name="referrer" content="origin">
@@ -60,8 +50,16 @@
         {% trans "If this takes longer than a few minutes, please contact us." %}
     </p>
 </div>
+<script type="text/javascript" src="{% url 'javascript-catalog' lang=request.LANGUAGE_CODE %}" async></script>
 {% compress js %}
-    <script type="text/javascript" src="{% static "lightbox/js/lightbox.min.js" %}"></script>
+    <script type="text/javascript" src="{% static "jquery/js/jquery-2.1.1.min.js" %}" async></script>
+    <script type="text/javascript" src="{% static "moment/moment-with-locales.js" %}" async></script>
+    <script type="text/javascript" src="{% static "js/jquery.formset.js" %}" async></script>
+    <script type="text/javascript" src="{% static "bootstrap/js/bootstrap.js" %}" async></script>
+    <script type="text/javascript" src="{% static "pretixpresale/js/ui/main.js" %}" async></script>
+    <script type="text/javascript" src="{% static "pretixpresale/js/ui/asynctask.js" %}" async></script>
+    <script type="text/javascript" src="{% static "pretixpresale/js/ui/cart.js" %}" async></script>
+    <script type="text/javascript" src="{% static "lightbox/js/lightbox.min.js" %}" async></script>
 {% endcompress %}
 </body>
 </html>