diff --git a/neutron/tests/unit/openvswitch/test_agent_scheduler.py b/neutron/tests/unit/openvswitch/test_agent_scheduler.py
index 7bd18da1b5..b492fa38ae 100644
--- a/neutron/tests/unit/openvswitch/test_agent_scheduler.py
+++ b/neutron/tests/unit/openvswitch/test_agent_scheduler.py
@@ -235,9 +235,10 @@ class OvsAgentSchedulerTestCaseBase(test_l3_plugin.L3NatTestCaseMixin,
         self.l3_notify_p = mock.patch(
             'neutron.extensions.l3agentscheduler.notify')
         self.patched_l3_notify = self.l3_notify_p.start()
-        self.l3_periodic_p = mock.patch('neutron.db.L3AgentSchedulerDbMixin.'
+        self.l3_periodic_p = mock.patch('neutron.db.l3_agentschedulers_db.'
+                                        'L3AgentSchedulerDbMixin.'
                                         'start_periodic_agent_status_check')
-        self.patched_l3_periodic = self.l3_notify_p.start()
+        self.patched_l3_periodic = self.l3_periodic_p.start()
         self.dhcp_notify_p = mock.patch(
             'neutron.extensions.dhcpagentscheduler.notify')
         self.patched_dhcp_notify = self.dhcp_notify_p.start()