1 files changed, 1 insertions, 0 deletions
diff --git a/synapse/storage/databases/main/cache.py b/synapse/storage/databases/main/cache.py
index 1653a6a9b6..a07d48f66c 100644
--- a/synapse/storage/databases/main/cache.py
+++ b/synapse/storage/databases/main/cache.py
@@ -217,6 +217,7 @@ class CacheInvalidationWorkerStore(SQLBaseStore):
         if etype == EventTypes.Member:
             self._membership_stream_cache.entity_has_changed(state_key, stream_ordering)
             self.get_invited_rooms_for_local_user.invalidate((state_key,))
+            self.get_local_users_in_room.invalidate((room_id,))
 
         if relates_to:
             self.get_relations_for_event.invalidate((relates_to,))