diff --git a/dragonflow/neutron/services/l3_router_plugin.py b/dragonflow/neutron/services/l3_router_plugin.py
index f27dcd2e1..616211ba5 100644
--- a/dragonflow/neutron/services/l3_router_plugin.py
+++ b/dragonflow/neutron/services/l3_router_plugin.py
@@ -31,8 +31,8 @@ from neutron.db import common_db_mixin
 from neutron.db import db_base_plugin_v2
 from neutron.db import extraroute_db
 from neutron.db import l3_agentschedulers_db
-from neutron.db import l3_db
 from neutron.db import l3_gwmode_db
+from neutron.db.models import l3 as l3_db
 from neutron.plugins.common import constants
 from neutron.quota import resource_registry
 from neutron.services import service_base