diff --git a/src/pretix/presale/templates/pretixpresale/event/checkout_confirm.html b/src/pretix/presale/templates/pretixpresale/event/checkout_confirm.html
index ce8290984..1d09ebd55 100644
--- a/src/pretix/presale/templates/pretixpresale/event/checkout_confirm.html
+++ b/src/pretix/presale/templates/pretixpresale/event/checkout_confirm.html
@@ -184,7 +184,7 @@
             </div>
         {% endif %}
         {% if require_approval %}
-            <div class="alert alert-warning alert-primary">
+            <div class="alert alert-warning">
                 <strong>
                     {% trans "Your order requires approval by the event organizer before it can be confirmed and forms a valid contract." %}
                 </strong>