diff --git a/src/pretix/presale/static/pretixpresale/js/ui/main.js b/src/pretix/presale/static/pretixpresale/js/ui/main.js
index 5298663db2..f237684ffc 100644
--- a/src/pretix/presale/static/pretixpresale/js/ui/main.js
+++ b/src/pretix/presale/static/pretixpresale/js/ui/main.js
@@ -10,6 +10,7 @@ $(function () {
     $("a[data-toggle=variations]").click(function() {
         $(this).parent().parent().parent().find(".variations").slideToggle();
     });
+    $(".collapsed").removeClass("collapsed").addClass("collapse");
 });
 
 
diff --git a/src/pretix/presale/templates/pretixpresale/event/checkout_payment.html b/src/pretix/presale/templates/pretixpresale/event/checkout_payment.html
index 40deefef87..0befce3024 100644
--- a/src/pretix/presale/templates/pretixpresale/event/checkout_payment.html
+++ b/src/pretix/presale/templates/pretixpresale/event/checkout_payment.html
@@ -23,7 +23,7 @@
                         </h4>
                     </div>
                     <div id="payment_{{ p.provider.identifier }}"
-                         class="panel-collapse collapse {% if selected == p.provider.identifier %}in{% endif %}">
+                         class="panel-collapse collapsed {% if selected == p.provider.identifier %}in{% endif %}">
                         <div class="panel-body form-horizontal">
                             {{ p.form }}
                         </div>
diff --git a/src/pretix/presale/templates/pretixpresale/event/checkout_questions.html b/src/pretix/presale/templates/pretixpresale/event/checkout_questions.html
index 8f994ecc6e..441c84e919 100644
--- a/src/pretix/presale/templates/pretixpresale/event/checkout_questions.html
+++ b/src/pretix/presale/templates/pretixpresale/event/checkout_questions.html
@@ -22,7 +22,7 @@
                         </h4>
                     </div>
                     <div id="cp{{ form.pos.identity }}"
-                            class="panel-collapse collapse {% if forloop.counter0 == 0 %}in{% endif %}">
+                            class="panel-collapse collapsed {% if forloop.counter0 == 0 %}in{% endif %}">
                         <div class="panel-body">
                             {% bootstrap_form form layout="horizontal" %}
                         </div>
diff --git a/src/pretix/presale/templates/pretixpresale/event/login.html b/src/pretix/presale/templates/pretixpresale/event/login.html
index b82553d90d..77cb03faf3 100644
--- a/src/pretix/presale/templates/pretixpresale/event/login.html
+++ b/src/pretix/presale/templates/pretixpresale/event/login.html
@@ -14,7 +14,7 @@
                     </a>
                 </h4>
             </div>
-            <div id="loginForm" class="panel-collapse collapse {% if request.POST.form == 'login' %}in{% endif %}">
+            <div id="loginForm" class="panel-collapse collapsed {% if request.POST.form == 'login' %}in{% endif %}">
                 <div class="panel-body">
                     <form class="form-horizontal" method="post">
                         {% csrf_token %}
@@ -48,7 +48,7 @@
                     </a>
                 </h4>
             </div>
-            <div id="localRegistrationForm" class="panel-collapse collapse {% if request.POST.form == 'local_registration' %}in{% endif %}">
+            <div id="localRegistrationForm" class="panel-collapse collapsed {% if request.POST.form == 'local_registration' %}in{% endif %}">
                 <div class="panel-body">
                     <div class="panel-body">
                         <form class="form-horizontal" method="post">
@@ -80,7 +80,7 @@
                         </a>
                     </h4>
                 </div>
-                <div id="globalRegistrationForm" class="panel-collapse collapse {% if request.POST.form == 'global_registration' %}in{% endif %}">
+                <div id="globalRegistrationForm" class="panel-collapse collapsed {% if request.POST.form == 'global_registration' %}in{% endif %}">
                     <div class="panel-body">
                         <form class="form-horizontal" method="post">
                             {% csrf_token %}
diff --git a/src/pretix/presale/templates/pretixpresale/event/order_modify.html b/src/pretix/presale/templates/pretixpresale/event/order_modify.html
index e140301c81..166b1d7e58 100644
--- a/src/pretix/presale/templates/pretixpresale/event/order_modify.html
+++ b/src/pretix/presale/templates/pretixpresale/event/order_modify.html
@@ -25,7 +25,7 @@
                         </h4>
                     </div>
                     <div id="cp{{ form.pos.identity }}"
-                            class="panel-collapse collapse {% if forloop.counter0 == 0 %}in{% endif %}">
+                            class="panel-collapse collapsed {% if forloop.counter0 == 0 %}in{% endif %}">
                         <div class="panel-body">
                             {% bootstrap_form form layout="horizontal" %}
                         </div>