diff --git a/app/celery/scheduled_tasks.py b/app/celery/scheduled_tasks.py
index 81f38ca29..7ce16e01f 100644
--- a/app/celery/scheduled_tasks.py
+++ b/app/celery/scheduled_tasks.py
@@ -517,6 +517,13 @@ def letter_raise_alert_if_no_ack_file_for_zip():
                         zip_not_today.append(s[0])
 
     if zip_file_list:
+        deskpro_client.create_ticket(
+            subject="Letter acknowledge error",
+            message="Letter acknowledgement file do not contains all zip files sent: {}".format(datetime.utcnow()
+                                                                                                .strftime('%Y-%m-%d')),
+            ticket_type='alert'
+        )
+
         raise NoAckFileReceived(message=zip_file_list)
 
     if zip_not_today:
diff --git a/tests/app/celery/test_scheduled_tasks.py b/tests/app/celery/test_scheduled_tasks.py
index ac8b65d83..bbea1ad5d 100644
--- a/tests/app/celery/test_scheduled_tasks.py
+++ b/tests/app/celery/test_scheduled_tasks.py
@@ -1149,12 +1149,19 @@ def test_letter_not_raise_alert_if_ack_files_not_match_zip_list(mocker, notify_d
     mock_get_file = mocker.patch("app.aws.s3.get_s3_file",
                                  return_value='NOTIFY.20180111175007.ZIP|20180111175733\n'
                                               'NOTIFY.20180111175008.ZIP|20180111175734')
+    mock_deskpro = mocker.patch("app.celery.scheduled_tasks.deskpro_client.create_ticket")
+
     with pytest.raises(expected_exception=NoAckFileReceived) as e:
         letter_raise_alert_if_no_ack_file_for_zip()
 
     assert e.value.message == ['NOTIFY.20180111175009.ZIP', 'NOTIFY.20180111175010.ZIP']
     assert mock_file_list.call_count == 2
     assert mock_get_file.call_count == 1
+    mock_deskpro.assert_called_once_with(
+        subject="Letter acknowledge error",
+        message="Letter acknowledgement file do not contains all zip files sent: 2018-01-11",
+        ticket_type='alert'
+    )
 
 
 @freeze_time('2018-01-11T23:00:00')