diff --git a/synapse/_scripts/synapse_port_db.py b/synapse/_scripts/synapse_port_db.py
index 495d61aedb..6eed513ead 100755
--- a/synapse/_scripts/synapse_port_db.py
+++ b/synapse/_scripts/synapse_port_db.py
@@ -664,6 +664,7 @@ class Porter:
             engine=engine,
             default_txn_name="portdb",
             server_name=server_name,
+            runtime=self.hs.get_rust_runtime(),
         ) as db_conn:
             engine.check_database(
                 db_conn, allow_outdated_version=allow_outdated_version