diff --git a/src/pretix/presale/views/order.py b/src/pretix/presale/views/order.py
index d9545a7907..645f85abeb 100644
--- a/src/pretix/presale/views/order.py
+++ b/src/pretix/presale/views/order.py
@@ -1255,7 +1255,7 @@ class OrderChange(EventViewMixin, OrderDetailMixin, TemplateView):
                             allow_addons=True,
                             quota_cache=quota_cache,
                             memberships=(
-                                self.request.customer.usable_memberships(
+                                self.order.customer.usable_memberships(
                                     for_event=p.subevent or self.request.event,
                                     testmode=self.order.testmode
                                 )