1 files changed, 1 insertions, 1 deletions

diff --git a/synapse/storage/databases/main/registration.py b/synapse/storage/databases/main/registration.py

index 8d05288ed4..585b4049d6 100644
--- a/synapse/storage/databases/main/registration.py
+++ b/synapse/storage/databases/main/registration.py
@@ -1104,7 +1104,7 @@ class RegistrationBackgroundUpdateStore(RegistrationWorkerStore):
                 FROM user_threepids
             """
 
-            txn.executemany(sql, [(id_server,) for id_server in id_servers])
+            txn.execute_batch(sql, [(id_server,) for id_server in id_servers])
 
         if id_servers:
             await self.db_pool.runInteraction(