diff --git a/src/pretix/presale/templates/pretixpresale/event/index.html b/src/pretix/presale/templates/pretixpresale/event/index.html
index a05ade8f62..1603ea7563 100644
--- a/src/pretix/presale/templates/pretixpresale/event/index.html
+++ b/src/pretix/presale/templates/pretixpresale/event/index.html
@@ -205,7 +205,7 @@
             {% if event.presale_is_running and display_add_to_cart %}
                 <div class="row-fluid">
                     <div class="col-md-4 col-md-offset-8 col-xs-12">
-                        <button class="btn btn-block btn-primary btn-lg" type="submit">
+                        <button class="btn btn-block btn-primary btn-lg" type="submit" id="btn-add-to-cart">
                             <i class="fa fa-shopping-cart"></i> {% trans "Add to cart" %}
                         </button>
                     </div>
diff --git a/src/tests/presale/test_event.py b/src/tests/presale/test_event.py
index 5097b2a403..a9cbd8ddfe 100644
--- a/src/tests/presale/test_event.py
+++ b/src/tests/presale/test_event.py
@@ -56,7 +56,7 @@ class ItemDisplayTest(EventTestMixin, SoupTest):
         q.items.add(item)
         html = self.client.get('/%s/%s/' % (self.orga.slug, self.event.slug))
         self.assertNotIn("Early-bird", html)
-        self.assertNotIn('checkout-button-row', html)
+        self.assertNotIn("btn-add-to-cart", html)
 
     def test_without_category(self):
         q = Quota.objects.create(event=self.event, name='Quota', size=2)
@@ -64,7 +64,7 @@ class ItemDisplayTest(EventTestMixin, SoupTest):
         q.items.add(item)
         doc = self.get_doc('/%s/%s/' % (self.orga.slug, self.event.slug))
         self.assertIn("Early-bird", doc.select("section .product-row")[0].text)
-        self.assertIn("Add to cart", doc.select("div button")[0].text)
+        self.assertEqual(len(doc.select("#btn-add-to-cart")), 1)
 
     def test_timely_available(self):
         q = Quota.objects.create(event=self.event, name='Quota', size=2)
@@ -181,7 +181,7 @@ class DeadlineTest(EventTestMixin, TestCase):
         )
         self.assertEqual(response.status_code, 200)
         self.assertIn('alert-info', response.rendered_content)
-        self.assertNotIn('checkout-button-row', response.rendered_content)
+        self.assertNotIn('btn-add-to-cart', response.rendered_content)
         response = self.client.post(
             '/%s/%s/cart/add' % (self.orga.slug, self.event.slug),
             {
@@ -200,7 +200,7 @@ class DeadlineTest(EventTestMixin, TestCase):
         )
         self.assertEqual(response.status_code, 200)
         self.assertIn('alert-info', response.rendered_content)
-        self.assertNotIn('checkout-button-row', response.rendered_content)
+        self.assertNotIn('btn-add-to-cart', response.rendered_content)
         response = self.client.post(
             '/%s/%s/cart/add' % (self.orga.slug, self.event.slug),
             {
@@ -220,7 +220,7 @@ class DeadlineTest(EventTestMixin, TestCase):
         )
         self.assertEqual(response.status_code, 200)
         self.assertNotIn('alert-info', response.rendered_content)
-        self.assertNotIn('checkout-button-row', response.rendered_content)
+        self.assertNotIn('btn-add-to-cart', response.rendered_content)
         response = self.client.post(
             '/%s/%s/cart/add' % (self.orga.slug, self.event.slug),
             {
@@ -238,7 +238,7 @@ class DeadlineTest(EventTestMixin, TestCase):
         )
         self.assertEqual(response.status_code, 200)
         self.assertNotIn('alert-info', response.rendered_content)
-        self.assertNotIn('checkout-button-row', response.rendered_content)
+        self.assertNotIn('btn-add-to-cart', response.rendered_content)
         response = self.client.post(
             '/%s/%s/cart/add' % (self.orga.slug, self.event.slug),
             {