diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c
index 066754a18569ba8f8a295f14049b06dfbeb4c7c6..453136d7a13c9e2608fc30e3c099dd8d79f6cd2d 100644
--- a/net/sched/sch_sfq.c
+++ b/net/sched/sch_sfq.c
@@ -654,6 +654,9 @@ static int sfq_change(struct Qdisc *sch, struct nlattr *opt)
 		if (!p)
 			return -ENOMEM;
 	}
+	if (ctl->limit == 1)
+		return -EINVAL;
+
 	sch_tree_lock(sch);
 	if (ctl->quantum) {
 		q->quantum = ctl->quantum;