diff --git a/net/sched/sch_mq.c b/net/sched/sch_mq.c
index 5e453fd..c84dec9 100644
--- a/net/sched/sch_mq.c
+++ b/net/sched/sch_mq.c
@@ -26,7 +26,7 @@ static void mq_destroy(struct Qdisc *sch)
 	struct mq_sched *priv = qdisc_priv(sch);
 	unsigned int ntx;
 
-	if (priv->qdiscs)
+	if (!priv->qdiscs)
 		return;
 	for (ntx = 0; ntx < dev->num_tx_queues && priv->qdiscs[ntx]; ntx++)
 		qdisc_destroy(priv->qdiscs[ntx]);