diff --git a/src/pretix/control/forms/filter.py b/src/pretix/control/forms/filter.py
index 1145ab912..d6564f847 100644
--- a/src/pretix/control/forms/filter.py
+++ b/src/pretix/control/forms/filter.py
@@ -1113,8 +1113,8 @@ class CheckInFilterForm(FilterForm):
         '-item': ('-item__name', '-variation__value', '-order__code'),
         'seat': ('seat__sorting_rank', 'seat__guid'),
         '-seat': ('-seat__sorting_rank', '-seat__guid'),
-        'date': ('subevent__date_from', 'order__code'),
-        '-date': ('-subevent__date_from', '-order__code'),
+        'date': ('subevent__date_from', 'subevent__id', 'order__code'),
+        '-date': ('-subevent__date_from', 'subevent__id', '-order__code'),
         'name': {'_order': F('display_name').asc(nulls_first=True),
                  'display_name': Coalesce('attendee_name_cached', 'addon_to__attendee_name_cached')},
         '-name': {'_order': F('display_name').desc(nulls_last=True),