diff --git a/src/aiida/storage/psql_dos/orm/querybuilder/main.py b/src/aiida/storage/psql_dos/orm/querybuilder/main.py
index 0c34bcc3ce..e97864a641 100644
--- a/src/aiida/storage/psql_dos/orm/querybuilder/main.py
+++ b/src/aiida/storage/psql_dos/orm/querybuilder/main.py
@@ -33,7 +33,7 @@
 from aiida.common.exceptions import NotExistent
 from aiida.orm.entities import EntityTypes
 from aiida.orm.implementation.querybuilder import QUERYBUILD_LOGGER, BackendQueryBuilder, QueryDictType
-from aiida.storage import sqlite_dos, psql_dos
+from aiida.storage import psql_dos, sqlite_dos
 
 from .joiner import JoinReturn, SqlaJoiner