diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index e17a823..08f92ba 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -238,10 +238,10 @@
 	sh = (struct sctphdr *) skb->h.raw;
 	if (is_saddr) {
 		*port  = sh->source;
-		from = &skb->nh.iph->saddr;
+		from = &ip_hdr(skb)->saddr;
 	} else {
 		*port = sh->dest;
-		from = &skb->nh.iph->daddr;
+		from = &ip_hdr(skb)->daddr;
 	}
 	memcpy(&addr->v4.sin_addr.s_addr, from, sizeof(struct in_addr));
 }
@@ -530,7 +530,7 @@
 /* Was this packet marked by Explicit Congestion Notification? */
 static int sctp_v4_is_ce(const struct sk_buff *skb)
 {
-	return INET_ECN_is_ce(skb->nh.iph->tos);
+	return INET_ECN_is_ce(ip_hdr(skb)->tos);
 }
 
 /* Create and initialize a new sk for the socket returned by accept(). */
@@ -739,7 +739,7 @@
 		sin = (struct sockaddr_in *)msgname;
 		sh = (struct sctphdr *)skb->h.raw;
 		sin->sin_port = sh->source;
-		sin->sin_addr.s_addr = skb->nh.iph->saddr;
+		sin->sin_addr.s_addr = ip_hdr(skb)->saddr;
 	}
 }