diff --git a/net/sctp/transport.c b/net/sctp/transport.c
index e0c2a4e23039..43105cf04bc4 100644
--- a/net/sctp/transport.c
+++ b/net/sctp/transport.c
@@ -254,6 +254,7 @@ void sctp_transport_pmtu(struct sctp_transport *transport, struct sock *sk)
 bool sctp_transport_update_pmtu(struct sctp_transport *t, u32 pmtu)
 {
 	struct dst_entry *dst = sctp_transport_dst_check(t);
+	struct sock *sk = t->asoc->base.sk;
 	bool change = true;
 
 	if (unlikely(pmtu < SCTP_DEFAULT_MINSEGMENT)) {
@@ -265,12 +266,19 @@ bool sctp_transport_update_pmtu(struct sctp_transport *t, u32 pmtu)
 	pmtu = SCTP_TRUNC4(pmtu);
 
 	if (dst) {
-		dst->ops->update_pmtu(dst, t->asoc->base.sk, NULL, pmtu);
+		struct sctp_pf *pf = sctp_get_pf_specific(dst->ops->family);
+		union sctp_addr addr;
+
+		pf->af->from_sk(&addr, sk);
+		pf->to_sk_daddr(&t->ipaddr, sk);
+		dst->ops->update_pmtu(dst, sk, NULL, pmtu);
+		pf->to_sk_daddr(&addr, sk);
+
 		dst = sctp_transport_dst_check(t);
 	}
 
 	if (!dst) {
-		t->af_specific->get_dst(t, &t->saddr, &t->fl, t->asoc->base.sk);
+		t->af_specific->get_dst(t, &t->saddr, &t->fl, sk);
 		dst = t->dst;
 	}