1 files changed, 2 insertions, 0 deletions
diff --git a/synapse/storage/databases/main/stream.py b/synapse/storage/databases/main/stream.py
index a347430aa7..3f9bfaeac5 100644
--- a/synapse/storage/databases/main/stream.py
+++ b/synapse/storage/databases/main/stream.py
@@ -72,6 +72,7 @@ from synapse.storage.util.id_generators import MultiWriterIdGenerator
 from synapse.types import PersistedEventPosition, RoomStreamToken
 from synapse.util.caches.descriptors import cached
 from synapse.util.caches.stream_change_cache import StreamChangeCache
+from synapse.util.cancellation import cancellable
 
 if TYPE_CHECKING:
     from synapse.server import HomeServer
@@ -597,6 +598,7 @@ class StreamWorkerStore(EventsWorkerStore, SQLBaseStore):
 
         return ret, key
 
+    @cancellable
     async def get_membership_changes_for_user(
         self,
         user_id: str,