1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/storage/data_stores/main/signatures.py b/synapse/storage/data_stores/main/signatures.py
index 556191b76f..f3da29ce14 100644
--- a/synapse/storage/data_stores/main/signatures.py
+++ b/synapse/storage/data_stores/main/signatures.py
@@ -98,4 +98,4 @@ class SignatureStore(SignatureWorkerStore):
                 }
             )
 
-        self._simple_insert_many_txn(txn, table="event_reference_hashes", values=vals)
+        self.simple_insert_many_txn(txn, table="event_reference_hashes", values=vals)