diff --git a/net/netfilter/ipvs/ip_vs_proto_sctp.c b/net/netfilter/ipvs/ip_vs_proto_sctp.c
index 9f3fb75..94bb367 100644
--- a/net/netfilter/ipvs/ip_vs_proto_sctp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_sctp.c
@@ -70,7 +70,7 @@ sctp_snat_handler(struct sk_buff *skb,
 	sctp_sctphdr_t *sctph;
 	unsigned int sctphoff;
 	struct sk_buff *iter;
-	__be32 crc32;
+	__u32 crc32;
 
 #ifdef CONFIG_IP_VS_IPV6
 	if (cp->af == AF_INET6)
@@ -101,8 +101,9 @@ sctp_snat_handler(struct sk_buff *skb,
 	skb_walk_frags(skb, iter)
 		crc32 = sctp_update_cksum((u8 *) iter->data, skb_headlen(iter),
 				          crc32);
-	crc32 = sctp_end_cksum(crc32);
-	sctph->checksum = crc32;
+	sctph->checksum = sctp_end_cksum(crc32);
+
+	skb->ip_summed = CHECKSUM_UNNECESSARY;
 
 	return 1;
 }
@@ -114,7 +115,7 @@ sctp_dnat_handler(struct sk_buff *skb,
 	sctp_sctphdr_t *sctph;
 	unsigned int sctphoff;
 	struct sk_buff *iter;
-	__be32 crc32;
+	__u32 crc32;
 
 #ifdef CONFIG_IP_VS_IPV6
 	if (cp->af == AF_INET6)
@@ -145,8 +146,9 @@ sctp_dnat_handler(struct sk_buff *skb,
 	skb_walk_frags(skb, iter)
 		crc32 = sctp_update_cksum((u8 *) iter->data, skb_headlen(iter),
 					  crc32);
-	crc32 = sctp_end_cksum(crc32);
-	sctph->checksum = crc32;
+	sctph->checksum = sctp_end_cksum(crc32);
+
+	skb->ip_summed = CHECKSUM_UNNECESSARY;
 
 	return 1;
 }