diff --git a/src/pretix/base/services/cross_selling.py b/src/pretix/base/services/cross_selling.py
index 871ba179fc..1ae00bb273 100644
--- a/src/pretix/base/services/cross_selling.py
+++ b/src/pretix/base/services/cross_selling.py
@@ -54,22 +54,22 @@ class CrossSellingService:
     def get_data(self):
         if self.event.has_subevents:
             subevents = set(pos.subevent for pos in self.cartpositions)
-            result = (
+            result = [
                 (DummyCategory(category, subevent),
                  self._prepare_items(subevent, items_qs, discount_info),
                  f'subevent_{subevent.pk}_')
                 for subevent in subevents
                 for (category, items_qs, discount_info) in self._applicable_categories(subevent.pk)
-            )
+            ]
         else:
-            result = (
+            result = [
                 (category,
                  self._prepare_items(None, items_qs, discount_info),
                  '')
                 for (category, items_qs, discount_info) in self._applicable_categories(0)
-            )
+            ]
         for category, items, form_prefix in result:
-            category.has_discount = any(item.original_price for item in items)
+            category.category_has_discount = any(item.original_price for item in items)
         return [(category, items, form_prefix) for (category, items, form_prefix) in result if len(items) > 0]
 
     def _applicable_categories(self, subevent_id):
diff --git a/src/pretix/presale/templates/pretixpresale/event/fragment_product_list.html b/src/pretix/presale/templates/pretixpresale/event/fragment_product_list.html
index e7d88001a2..0dc70c903b 100644
--- a/src/pretix/presale/templates/pretixpresale/event/fragment_product_list.html
+++ b/src/pretix/presale/templates/pretixpresale/event/fragment_product_list.html
@@ -9,7 +9,7 @@
     {% if category %}
         <section aria-labelledby="{{ form_prefix }}category-{{ category.id }}"{% if category.description %} aria-describedby="{{ form_prefix }}category-info-{{ category.id }}"{% endif %}>
             <h3 id="{{ form_prefix }}category-{{ category.id }}">{{ category.name }}
-                {% if category.has_discount %}
+                {% if category.category_has_discount %}
                     <small class="text-success"><i class="fa fa-star"></i> {% trans "Your order qualifies for a discount" %}</small>
                 {% endif %}
             </h3>