diff --git a/tests-extra/tests/axfr/failover/test.py b/tests-extra/tests/axfr/failover/test.py
index 800a9b1880265aa74e84b324097521349a7e84b2..a108aff351863ec821d7ff8bb7a762f4fb23bff6 100644
--- a/tests-extra/tests/axfr/failover/test.py
+++ b/tests-extra/tests/axfr/failover/test.py
@@ -53,6 +53,7 @@ for server in [master1, master2]:
 
 # failover to second master
 master1.stop()
+slave.clean(zone=False, timers=True)
 slave.start()
 slave.zone_wait(zone, serial=20, equal=True, greater=False)
 master1.start()