diff --git a/aleksis/apps/alsijil/util/predicates.py b/aleksis/apps/alsijil/util/predicates.py
index af229770c93aa1fddc7dd82ded76af3f38119345..e7b9bca60617b1c8c3d7e864b645c550f4b2d7ca 100644
--- a/aleksis/apps/alsijil/util/predicates.py
+++ b/aleksis/apps/alsijil/util/predicates.py
@@ -68,7 +68,7 @@ def is_person_group_owner(user: User, obj: Person) -> bool:
     Checks whether the person linked to the user is
     the owner of any group of the given person.
     """
-    return obj.filter(member_of__owners=user.person).exists()
+    return obj.member_of.filter(owners=user.person).exists()
 
 
 @predicate