diff --git a/src/pretix/api/serializers/event.py b/src/pretix/api/serializers/event.py
index 3ba6a2722..ad7f6822c 100644
--- a/src/pretix/api/serializers/event.py
+++ b/src/pretix/api/serializers/event.py
@@ -736,6 +736,7 @@ class EventSettingsSerializer(SettingsSerializer):
         'payment_term_accept_late',
         'payment_explanation',
         'payment_pending_hidden',
+        'payment_giftcard__enabled',
         'mail_days_order_expire_warning',
         'ticket_download',
         'ticket_download_date',