1 files changed, 2 insertions, 0 deletions
diff --git a/synapse/handlers/federation_event.py b/synapse/handlers/federation_event.py
index 66aca2f864..31df7f55cc 100644
--- a/synapse/handlers/federation_event.py
+++ b/synapse/handlers/federation_event.py
@@ -610,6 +610,8 @@ class FederationEventHandler:
             self._state_storage_controller.notify_event_un_partial_stated(
                 event.event_id
             )
+            # Notify that there's a new row in the un_partial_stated_events stream.
+            self._notifier.notify_replication()
 
     @trace
     async def backfill(