diff --git a/include/net/sctp/checksum.h b/include/net/sctp/checksum.h
index 4a5b9a306c69..803fc26ef0ba 100644
--- a/include/net/sctp/checksum.h
+++ b/include/net/sctp/checksum.h
@@ -60,7 +60,7 @@ static inline __wsum sctp_csum_combine(__wsum csum, __wsum csum2,
 static inline __le32 sctp_compute_cksum(const struct sk_buff *skb,
 					unsigned int offset)
 {
-	struct sctphdr *sh = sctp_hdr(skb);
+	struct sctphdr *sh = (struct sctphdr *)(skb->data + offset);
         __le32 ret, old = sh->checksum;
 	const struct skb_checksum_ops ops = {
 		.update  = sctp_csum_update,