diff --git a/hypha/apply/activity/messaging.py b/hypha/apply/activity/messaging.py
index 4a08bb273fc2cd8669aea98e3299726baec85c0c..5d3813510883e6a7f78aadfd2a7513798977a03f 100644
--- a/hypha/apply/activity/messaging.py
+++ b/hypha/apply/activity/messaging.py
@@ -467,7 +467,7 @@ class SlackAdapter(AdapterBase):
 
     def __init__(self):
         super().__init__()
-        self.destination = settings.SLACK_ENDPOINT_URL
+        self.destination = settings.SLACK_DESTINATION_URL
         self.target_room = settings.SLACK_DESTINATION_ROOM
         self.comments_room = settings.SLACK_DESTINATION_ROOM_COMMENTS
         self.comments_type = settings.SLACK_TYPE_COMMENTS
diff --git a/hypha/apply/activity/tests/test_messaging.py b/hypha/apply/activity/tests/test_messaging.py
index 07475b3c13d2555bb714b002f9fd8b5ede7b7ab4..3e8325b943a0f649d069f8eae15962435726f4b4 100644
--- a/hypha/apply/activity/tests/test_messaging.py
+++ b/hypha/apply/activity/tests/test_messaging.py
@@ -335,6 +335,7 @@ class TestSlackAdapter(AdapterMixin, TestCase):
     target_room = '#<ROOM ID>'
 
     @override_settings(
+        SLACK_DESTINATION_URL=target_url,
         SLACK_ENDPOINT_URL=target_url,
         SLACK_DESTINATION_ROOM=None,
         SLACK_BACKEND="django_slack.backends.TestBackend",
@@ -347,6 +348,7 @@ class TestSlackAdapter(AdapterMixin, TestCase):
         self.assertEqual(messages, error_message)
 
     @override_settings(
+        SLACK_DESTINATION_URL=None,
         SLACK_ENDPOINT_URL=None,
         SLACK_DESTINATION_ROOM=target_room,
         SLACK_BACKEND="django_slack.backends.TestBackend",
@@ -359,6 +361,7 @@ class TestSlackAdapter(AdapterMixin, TestCase):
         self.assertEqual(messages, error_message)
 
     @override_settings(
+        SLACK_DESTINATION_URL=target_url,
         SLACK_ENDPOINT_URL=target_url,
         SLACK_DESTINATION_ROOM=target_room,
         SLACK_BACKEND="django_slack.backends.TestBackend",
@@ -376,6 +379,7 @@ class TestSlackAdapter(AdapterMixin, TestCase):
         self.assertEqual(message_payload['text'], message)
 
     @override_settings(
+        SLACK_DESTINATION_URL=target_url,
         SLACK_ENDPOINT_URL=target_url,
         SLACK_DESTINATION_ROOM=target_room,
         SLACK_BACKEND="django_slack.backends.TestBackend",
@@ -395,6 +399,7 @@ class TestSlackAdapter(AdapterMixin, TestCase):
         self.assertEqual(message_payload['channel'], '#dummy')
 
     @override_settings(
+        SLACK_DESTINATION_URL=target_url,
         SLACK_ENDPOINT_URL=target_url,
         SLACK_DESTINATION_ROOM=target_room,
         SLACK_BACKEND="django_slack.backends.TestBackend",
@@ -426,6 +431,7 @@ class TestSlackAdapter(AdapterMixin, TestCase):
         self.assertTrue(submission.lead.slack in recipients[0])
 
     @override_settings(
+        SLACK_DESTINATION_URL=target_url,
         SLACK_ENDPOINT_URL=target_url,
         SLACK_DESTINATION_ROOM=target_room,
         SLACK_BACKEND="django_slack.backends.TestBackend",