1 files changed, 10 insertions, 1 deletions
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index c055c26eca..eb03a5accb 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -519,8 +519,17 @@ class FederationHandler:
                 state_events=state,
             )
 
+            if ret.partial_state:
+                await self.store.store_partial_state_room(room_id, ret.servers_in_room)
+
             max_stream_id = await self._federation_event_handler.process_remote_join(
-                origin, room_id, auth_chain, state, event, room_version_obj
+                origin,
+                room_id,
+                auth_chain,
+                state,
+                event,
+                room_version_obj,
+                partial_state=ret.partial_state,
             )
 
             # We wait here until this instance has seen the events come down