1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/storage/event_federation.py b/synapse/storage/event_federation.py
index 765b5a5bcb..53289f556b 100644
--- a/synapse/storage/event_federation.py
+++ b/synapse/storage/event_federation.py
@@ -376,7 +376,7 @@ class EventFederationStore(SQLBaseStore):
                 INNER JOIN (
                     SELECT room_id, MAX(stream_ordering) AS stream_ordering
                     FROM stream_ordering_to_exterm
-                    WHERE stream_ordering < ? GROUP BY room_id
+                    WHERE stream_ordering <= ? GROUP BY room_id
                 ) AS rms USING (room_id, stream_ordering)
                 WHERE room_id = ?
         """)