diff --git a/app/service/send_notification.py b/app/service/send_notification.py
index dbb4bd4fc..b94f56306 100644
--- a/app/service/send_notification.py
+++ b/app/service/send_notification.py
@@ -12,7 +12,6 @@ from app.notifications.process_notifications import (
 )
 from app.models import (
     KEY_TYPE_NORMAL,
-    PRIORITY,
     SMS_TYPE,
     EMAIL_TYPE,
 )
@@ -75,11 +74,10 @@ def send_one_off_notification(service_id, post_data):
         reply_to_text=reply_to
     )
 
-    queue_name = QueueNames.PRIORITY if template.process_type == PRIORITY else None
     send_notification_to_queue(
         notification=notification,
         research_mode=service.research_mode,
-        queue=queue_name
+        queue=QueueNames.PRIORITY
     )
 
     return {'id': str(notification.id)}
diff --git a/tests/app/service/test_send_one_off_notification.py b/tests/app/service/test_send_one_off_notification.py
index 5a88e107d..224fd65a2 100644
--- a/tests/app/service/test_send_one_off_notification.py
+++ b/tests/app/service/test_send_one_off_notification.py
@@ -60,7 +60,7 @@ def test_send_one_off_notification_calls_celery_correctly(persist_mock, celery_m
     celery_mock.assert_called_once_with(
         notification=persist_mock.return_value,
         research_mode=False,
-        queue=None
+        queue=QueueNames.PRIORITY,
     )
 
 
@@ -110,7 +110,7 @@ def test_send_one_off_notification_honors_research_mode(notify_db_session, persi
     assert celery_mock.call_args[1]['research_mode'] is True
 
 
-def test_send_one_off_notification_honors_priority(notify_db_session, persist_mock, celery_mock):
+def test_send_one_off_notification_maintains_priority(notify_db_session, persist_mock, celery_mock):
     service = create_service()
     template = create_template(service=service)
     template.process_type = PRIORITY
@@ -231,7 +231,7 @@ def test_send_one_off_notification_should_add_email_reply_to_text_for_notificati
     celery_mock.assert_called_once_with(
         notification=notification,
         research_mode=False,
-        queue=None
+        queue=QueueNames.PRIORITY,
     )
     assert notification.reply_to_text == reply_to_email.email_address
 
@@ -251,7 +251,7 @@ def test_send_one_off_letter_notification_should_use_template_reply_to_text(samp
     celery_mock.assert_called_once_with(
         notification=notification,
         research_mode=False,
-        queue=None
+        queue=QueueNames.PRIORITY,
     )
 
     assert notification.reply_to_text == "Edinburgh, ED1 1AA"
@@ -277,7 +277,7 @@ def test_send_one_off_sms_notification_should_use_sms_sender_reply_to_text(sampl
     celery_mock.assert_called_once_with(
         notification=notification,
         research_mode=False,
-        queue=None
+        queue=QueueNames.PRIORITY,
     )
 
     assert notification.reply_to_text == "447123123123"
@@ -303,7 +303,7 @@ def test_send_one_off_sms_notification_should_use_default_service_reply_to_text(
     celery_mock.assert_called_once_with(
         notification=notification,
         research_mode=False,
-        queue=None
+        queue=QueueNames.PRIORITY,
     )
 
     assert notification.reply_to_text == "447123123456"