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matrix-org · Sep 20, 2022 · 4be61a6 · 4be61a6
1 parent 4f16819
commit 4be61a6
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/synapse/handlers/event_auth.py b/synapse/handlers/event_auth.py
@@ -178,8 +178,8 @@ async def assert_host_in_room(
                 errcode=Codes.UNABLE_DUE_TO_PARTIAL_STATE,
             )
 
-        if await self.is_host_in_room(room_id, host):
-            raise AuthError(403, "Host not in room.")
+        if not await self.is_host_in_room(room_id, host):
+            raise AuthError(403, f"Host '{host}' not in room.")
 
     async def check_restricted_join_rules(
         self,