diff --git a/src/pretix/base/models/orders.py b/src/pretix/base/models/orders.py
index 4c121a6d35..97ad9ec7b8 100644
--- a/src/pretix/base/models/orders.py
+++ b/src/pretix/base/models/orders.py
@@ -1612,7 +1612,7 @@ class AbstractPosition(RoundingCorrectionMixin, models.Model):
             if questionnaire_type is not None:
                 children = children.filter(questionnaire__type=questionnaire_type)
             if sales_channel is not None:
-                children = children.filter(Q(questionnaire__all_sales_channels=True) | Q(questionnaire__limit_sales_channel=sales_channel))
+                children = children.filter(Q(questionnaire__all_sales_channels=True) | Q(questionnaire__limit_sales_channels=sales_channel))
 
             children = list(children)