diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c
index 3eabb871a1d522ad72b903ad43666ce801220c2d..d9a591e5099fbeb204023b21e6447ded0b321fb8 100644
--- a/net/sched/sch_prio.c
+++ b/net/sched/sch_prio.c
@@ -213,7 +213,7 @@ static int prio_tune(struct Qdisc *sch, struct nlattr *opt,
 	memcpy(q->prio2band, qopt->priomap, TC_PRIO_MAX+1);
 
 	for (i = q->bands; i < oldbands; i++)
-		qdisc_tree_flush_backlog(q->queues[i]);
+		qdisc_purge_queue(q->queues[i]);
 
 	for (i = oldbands; i < q->bands; i++) {
 		q->queues[i] = queues[i];