diff --git a/sys/netinet/sctp_output.c b/sys/netinet/sctp_output.c
index f99fd0bf281e..116f07f9acd8 100644
--- a/sys/netinet/sctp_output.c
+++ b/sys/netinet/sctp_output.c
@@ -4471,7 +4471,7 @@ sctp_lowlevel_chunk_output(struct sctp_inpcb *inp,
 #if defined(SCTP_WITH_NO_CSUM)
 				SCTP_STAT_INCR(sctps_sendnocrc);
 #else
-				m->m_pkthdr.csum_flags = CSUM_SCTP;
+				m->m_pkthdr.csum_flags = CSUM_SCTP_IPV6;
 				m->m_pkthdr.csum_data = 0;
 				SCTP_STAT_INCR(sctps_sendhwcrc);
 #endif
@@ -11025,7 +11025,7 @@ sctp_send_resp_msg(struct sockaddr *src, struct sockaddr *dst,
 #if defined(SCTP_WITH_NO_CSUM)
 			SCTP_STAT_INCR(sctps_sendnocrc);
 #else
-			mout->m_pkthdr.csum_flags = CSUM_SCTP;
+			mout->m_pkthdr.csum_flags = CSUM_SCTP_IPV6;
 			mout->m_pkthdr.csum_data = 0;
 			SCTP_STAT_INCR(sctps_sendhwcrc);
 #endif