diff --git a/tests/test_room_api.py b/tests/test_room_api.py
index 186b902..a0bcf8c 100644
--- a/tests/test_room_api.py
+++ b/tests/test_room_api.py
@@ -89,7 +89,7 @@ def test_no_params(self, room_api: FishjamClient):
 
         config = RoomConfig(
             max_peers=0,
-            webhook_url=None,
+            webhook_url=room.config.webhook_url,
             room_type=RoomType(CONFERENCE),
             video_codec=VideoCodec.H264,
         )
@@ -113,7 +113,7 @@ def test_valid_params(self, room_api: FishjamClient):
         config = RoomConfig(
             max_peers=MAX_PEERS,
             video_codec=VideoCodec.H264,
-            webhook_url=None,
+            webhook_url=room.config.webhook_url,
             room_type=RoomType(AUDIO_ONLY),
         )
 
@@ -171,7 +171,7 @@ def test_valid(self, room_api: FishjamClient):
 
         config = RoomConfig(
             max_peers=0,
-            webhook_url=None,
+            webhook_url=room.config.webhook_url,
             room_type=RoomType(CONFERENCE),
             video_codec=VideoCodec.H264,
         )