diff --git a/combo/apps/lingo/models.py b/combo/apps/lingo/models.py
index f3b1777d..0c42ae86 100644
--- a/combo/apps/lingo/models.py
+++ b/combo/apps/lingo/models.py
@@ -247,8 +247,8 @@ class Regie(models.Model):
         notification_reminder_id = self.get_notification_reminder_id(invoice)
         if pay_limit_date < now:
             # invoice is out of date
-            Notification.forget(user, notification_id)
-            Notification.forget(user, notification_reminder_id)
+            Notification.objects.find(user, notification_id).forget()
+            Notification.objects.find(user, notification_reminder_id).forget()
         else:
             # invoice can be paid
             if pay_limit_date > now + remind_delta:
diff --git a/tests/test_notification.py b/tests/test_notification.py
index c9ddd376..6e2032b9 100644
--- a/tests/test_notification.py
+++ b/tests/test_notification.py
@@ -318,6 +318,16 @@ def test_notify_remote_items(mock_get, app, user, user2, regie):
                         'created': creation_date,
                         'pay_limit_date': pay_limit_date,
                         'has_pdf': False,
+                    },
+                    {
+
+                        'id': 'O5',
+                        'label': '050505',
+                        'total_amount': '24',
+                        'amount': '24',
+                        'created': (invoice_now - timedelta(days=25)).date().isoformat(),
+                        'pay_limit_date': (invoice_now - timedelta(days=10)).date().isoformat(),
+                        'has_pdf': False,
                     }
                 ]
             },
@@ -387,12 +397,12 @@ def test_notify_remote_items(mock_get, app, user, user2, regie):
         assert Notification.objects.exclude(external_id__startswith='invoice-%s:reminder-' % regie.slug) \
             .visible().count() == 0
         assert Notification.objects.filter(external_id__startswith='invoice-%s:reminder-' % regie.slug) \
-            .visible().new().count() == 2
-        assert Notification.objects.count() == 4
+            .visible().new().count() == 3
+        assert Notification.objects.count() == 5
 
         # url appeared on new reminder notifications
-        assert len([notif for notif in Notification.objects.all() if notif.url == page.get_online_url()]) == 2
+        assert len([notif for notif in Notification.objects.all() if notif.url == page.get_online_url()]) == 3
 
         # be sure the are no more reminders created
         regie.notify_new_remote_invoices()
-        assert Notification.objects.count() == 4
+        assert Notification.objects.count() == 5