diff --git a/django/db/models/manipulators.py b/django/db/models/manipulators.py index d4899b63cd..f61db8560d 100644 --- a/django/db/models/manipulators.py +++ b/django/db/models/manipulators.py @@ -318,7 +318,7 @@ def manipulator_validator_unique_for_date(from_field, date_field, opts, lookup_t if lookup_type == 'date': lookup_kwargs['%s__day' % date_field.name] = date_val.day try: - old_obj = self.manager.get_object(**lookup_kwargs) + old_obj = self.manager.get(**lookup_kwargs) except ObjectDoesNotExist: return else: