diff --git a/net/sched/sch_ingress.c b/net/sched/sch_ingress.c
index d803cd1..1bbc648 100644
--- a/net/sched/sch_ingress.c
+++ b/net/sched/sch_ingress.c
@@ -35,7 +35,7 @@
 static int ingress_graft(struct Qdisc *sch, unsigned long arg,
 			 struct Qdisc *new, struct Qdisc **old)
 {
-	return 1;
+	return -EOPNOTSUPP;
 }
 
 static struct Qdisc *ingress_leaf(struct Qdisc *sch, unsigned long arg)