diff --git a/manifest-delivery-base.yml b/manifest-delivery-base.yml
index 71dc5bcc9..8838ad40b 100644
--- a/manifest-delivery-base.yml
+++ b/manifest-delivery-base.yml
@@ -56,6 +56,6 @@ applications:
       NOTIFY_APP_NAME: delivery-worker
 
   - name: notify-delivery-worker-receipts
-    command: scripts/run_app_paas.sh celery -A run_celery.notify_celery worker --loglevel=INFO --concurrency=11 -Q ses-callbacks, service-callbacks
+    command: scripts/run_app_paas.sh celery -A run_celery.notify_celery worker --loglevel=INFO --concurrency=11 -Q ses-callbacks,service-callbacks
     env:
       NOTIFY_APP_NAME: delivery-worker-receipts