diff --git a/app/celery/scheduled_tasks.py b/app/celery/scheduled_tasks.py
index 1acc807e3..77d4b12af 100644
--- a/app/celery/scheduled_tasks.py
+++ b/app/celery/scheduled_tasks.py
@@ -204,7 +204,7 @@ def check_precompiled_letter_state():
             https://github.com/alphagov/notifications-manuals/wiki/Support-Runbook#Deal-with-letter-pending-virus-scan-for-90-minutes.
             Notifications: {}""".format(len(letters), sorted(letter_ids))
 
-        current_app.logger.exception(msg)
+        current_app.logger.warning(msg)
 
         if current_app.config['NOTIFY_ENVIRONMENT'] in ['live', 'production', 'test']:
             zendesk_client.create_ticket(
@@ -225,7 +225,7 @@ def check_templated_letter_state():
         msg = "{} letters were created before 17.30 yesterday and still have 'created' status. " \
               "Notifications: {}".format(len(letters), letter_ids)
 
-        current_app.logger.exception(msg)
+        current_app.logger.warning(msg)
 
         if current_app.config['NOTIFY_ENVIRONMENT'] in ['live', 'production', 'test']:
             zendesk_client.create_ticket(
diff --git a/tests/app/celery/test_scheduled_tasks.py b/tests/app/celery/test_scheduled_tasks.py
index 7bfd22eba..2254fd6f0 100644
--- a/tests/app/celery/test_scheduled_tasks.py
+++ b/tests/app/celery/test_scheduled_tasks.py
@@ -320,7 +320,7 @@ def test_check_job_status_task_does_not_raise_error(sample_template):
 
 @freeze_time("2019-05-30 14:00:00")
 def test_check_precompiled_letter_state(mocker, sample_letter_template):
-    mock_logger = mocker.patch('app.celery.tasks.current_app.logger.exception')
+    mock_logger = mocker.patch('app.celery.tasks.current_app.logger.warning')
     mock_create_ticket = mocker.patch('app.celery.nightly_tasks.zendesk_client.create_ticket')
 
     create_notification(template=sample_letter_template,
@@ -357,7 +357,7 @@ def test_check_precompiled_letter_state(mocker, sample_letter_template):
 
 @freeze_time("2019-05-30 14:00:00")
 def test_check_templated_letter_state_during_bst(mocker, sample_letter_template):
-    mock_logger = mocker.patch('app.celery.tasks.current_app.logger.exception')
+    mock_logger = mocker.patch('app.celery.tasks.current_app.logger.warning')
     mock_create_ticket = mocker.patch('app.celery.nightly_tasks.zendesk_client.create_ticket')
 
     noti_1 = create_notification(template=sample_letter_template, created_at=datetime(2019, 5, 1, 12, 0))
@@ -382,7 +382,7 @@ def test_check_templated_letter_state_during_bst(mocker, sample_letter_template)
 
 @freeze_time("2019-01-30 14:00:00")
 def test_check_templated_letter_state_during_utc(mocker, sample_letter_template):
-    mock_logger = mocker.patch('app.celery.tasks.current_app.logger.exception')
+    mock_logger = mocker.patch('app.celery.tasks.current_app.logger.warning')
     mock_create_ticket = mocker.patch('app.celery.scheduled_tasks.zendesk_client.create_ticket')
 
     noti_1 = create_notification(template=sample_letter_template, created_at=datetime(2018, 12, 1, 12, 0))