1 files changed, 2 insertions, 2 deletions
diff --git a/synapse/rest/client/room.py b/synapse/rest/client/room.py
index d0db85cca7..14b04810a1 100644
--- a/synapse/rest/client/room.py
+++ b/synapse/rest/client/room.py
@@ -160,11 +160,11 @@ class RoomCreateRestServlet(TransactionRestServlet):
     async def on_POST(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
         requester = await self.auth.get_user_by_req(request)
 
-        info, _ = await self._room_creation_handler.create_room(
+        room_id, _, _ = await self._room_creation_handler.create_room(
             requester, self.get_room_config(request)
         )
 
-        return 200, info
+        return 200, {"room_id": room_id}
 
     def get_room_config(self, request: Request) -> JsonDict:
         user_supplied_config = parse_json_object_from_request(request)