diff --git a/net/sched/sch_fq_pie.c b/net/sched/sch_fq_pie.c
index 069e1facd413..b27d95418707 100644
--- a/net/sched/sch_fq_pie.c
+++ b/net/sched/sch_fq_pie.c
@@ -427,7 +427,8 @@ static int fq_pie_init(struct Qdisc *sch, struct nlattr *opt,
 	pie_params_init(&q->p_params);
 	sch->limit = 10 * 1024;
 	q->p_params.limit = sch->limit;
-	q->quantum = psched_mtu(qdisc_dev(sch));
+	q->quantum = clamp_t(u32, psched_mtu(qdisc_dev(sch)),
+			     256, 1 << 20);
 	q->sch = sch;
 	q->ecn_prob = 10;
 	q->flows_cnt = 1024;