diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index 85d688f..5a9402e 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -351,7 +351,7 @@
 
 		rt = (struct rt6_info *)dst;
 		t->dst = dst;
-
+		t->dst_cookie = rt->rt6i_node ? rt->rt6i_node->fn_sernum : 0;
 		pr_debug("rt6_dst:%pI6 rt6_src:%pI6\n", &rt->rt6i_dst.addr,
 			 &fl6->saddr);
 	} else {