fix merge error

richvdh · richvdh · commit 7616d870f09a · 2021-09-06T15:07:35.000+01:00
... Introduced in #10566
diff --git a/synapse/handlers/federation_event.py b/synapse/handlers/federation_event.py
@@ -1031,7 +1031,7 @@ async def _handle_marker_event(self, origin: str, marker_event: EventBase):
         room_creator = create_event.content.get(EventContentFields.ROOM_CREATOR)
         if (
             not room_version.msc2716_historical
-            or not self.config.experimental.msc2716_enabled
+            or not self._config.experimental.msc2716_enabled
             or marker_event.sender != room_creator
         ):
             return
