diff --git a/net/sched/sch_pie.c b/net/sched/sch_pie.c
index 912a46a..a570b0b 100644
--- a/net/sched/sch_pie.c
+++ b/net/sched/sch_pie.c
@@ -134,7 +134,8 @@
 	return false;
 }
 
-static int pie_qdisc_enqueue(struct sk_buff *skb, struct Qdisc *sch)
+static int pie_qdisc_enqueue(struct sk_buff *skb, struct Qdisc *sch,
+			     struct sk_buff **to_free)
 {
 	struct pie_sched_data *q = qdisc_priv(sch);
 	bool enqueue = false;
@@ -166,7 +167,7 @@
 
 out:
 	q->stats.dropped++;
-	return qdisc_drop(skb, sch);
+	return qdisc_drop(skb, sch, to_free);
 }
 
 static const struct nla_policy pie_policy[TCA_PIE_MAX + 1] = {