diff --git a/app/dao/inbound_sms_dao.py b/app/dao/inbound_sms_dao.py
index eeec016ce..de6a78fb6 100644
--- a/app/dao/inbound_sms_dao.py
+++ b/app/dao/inbound_sms_dao.py
@@ -134,7 +134,7 @@ def delete_inbound_sms_older_than_retention():
         .join(ServiceDataRetention.service)
         .filter(ServiceDataRetention.notification_type == NotificationType.SMS)
     )
-    flexible_data_retention = db.session.execute(stmt).all()
+    flexible_data_retention = db.session.execute(stmt).scalars().all()
 
     deleted = 0