diff --git a/django_celery_beat/schedulers.py b/django_celery_beat/schedulers.py
index 063aaaa3..6a2d28b1 100644
--- a/django_celery_beat/schedulers.py
+++ b/django_celery_beat/schedulers.py
@@ -133,7 +133,9 @@ def is_due(self):
         if self.model.expires is not None:
             now = self._default_now()
             if now >= self.model.expires:
-                self._disable(self.model)
+                self.model.no_changes = False
+                self.model.enabled = False
+                self.model.save()
                 # Don't recheck
                 return schedules.schedstate(False, NEVER_CHECK_TIMEOUT)