diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 13d8229..1282a0e 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -4384,7 +4384,7 @@
 				transports) {
 		memcpy(&temp, &from->ipaddr, sizeof(temp));
 		sctp_get_pf_specific(sk->sk_family)->addr_v4map(sp, &temp);
-		addrlen = sctp_get_af_specific(sk->sk_family)->sockaddr_len;
+		addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len;
 		if (space_left < addrlen)
 			return -ENOMEM;
 		if (copy_to_user(to, &temp, addrlen))