diff --git a/sys/netinet/sctp_input.c b/sys/netinet/sctp_input.c
index 89a7a5337256..d211e9ab7d45 100644
--- a/sys/netinet/sctp_input.c
+++ b/sys/netinet/sctp_input.c
@@ -5806,6 +5806,7 @@ sctp_input_with_port(struct mbuf *i_pak, int off, uint16_t port)
 	}
 	sh->checksum = 0;	/* prepare for calc */
 	calc_check = sctp_calculate_cksum(m, iphlen);
+	sh->checksum = check;
 	SCTP_STAT_INCR(sctps_recvswcrc);
 	if (calc_check != check) {
 		SCTPDBG(SCTP_DEBUG_INPUT1, "Bad CSUM on SCTP packet calc_check:%x check:%x  m:%p mlen:%d iphlen:%d\n",
@@ -5831,7 +5832,6 @@ sctp_input_with_port(struct mbuf *i_pak, int off, uint16_t port)
 		SCTP_STAT_INCR_COUNTER32(sctps_checksumerrors);
 		goto bad;
 	}
-	sh->checksum = calc_check;
 sctp_skip_csum_4:
 	/* destination port of 0 is illegal, based on RFC2960. */
 	if (sh->dest_port == 0) {