diff --git a/nest/rt-attr.c b/nest/rt-attr.c
index eeeaaa4c..d04ccfe9 100644
--- a/nest/rt-attr.c
+++ b/nest/rt-attr.c
@@ -346,6 +346,7 @@ nexthop_copy(struct nexthop *o)
       n->gw = o->gw;
       n->iface = o->iface;
       n->next = NULL;
+      n->flags = o->flags;
       n->weight = o->weight;
       n->labels = o->labels;
       for (int i=0; i<o->labels; i++)