diff --git a/sys/netinet/sctp_bsd_addr.c b/sys/netinet/sctp_bsd_addr.c
index b54825b6471..aad84f71a67 100644
--- a/sys/netinet/sctp_bsd_addr.c
+++ b/sys/netinet/sctp_bsd_addr.c
@@ -373,7 +373,7 @@ sctp_get_mbuf_for_msg(unsigned int space_needed, int want_header,
 			m_freem(m);
 			return (NULL);
 		}
-		KASSERT(SCTP_BUF_NEXT(m) == NULL, ("%s: no chain allowed", __FUNCTION__));
+		KASSERT(SCTP_BUF_NEXT(m) == NULL, ("%s: no chain allowed", __func__));
 	}
 #ifdef SCTP_MBUF_LOGGING
 	if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_MBUF_LOGGING_ENABLE) {
diff --git a/sys/netinet/sctp_indata.c b/sys/netinet/sctp_indata.c
index bbdd1c4fd96..1ad65ac48c7 100644
--- a/sys/netinet/sctp_indata.c
+++ b/sys/netinet/sctp_indata.c
@@ -301,7 +301,7 @@ sctp_mark_non_revokable(struct sctp_association *asoc, uint32_t tsn)
 	SCTP_CALC_TSN_TO_GAP(gap, tsn, asoc->mapping_array_base_tsn);
 	in_r = SCTP_IS_TSN_PRESENT(asoc->mapping_array, gap);
 	in_nr = SCTP_IS_TSN_PRESENT(asoc->nr_mapping_array, gap);
-	KASSERT(in_r || in_nr, ("%s: Things are really messed up now", __FUNCTION__));
+	KASSERT(in_r || in_nr, ("%s: Things are really messed up now", __func__));
 	if (!in_nr) {
 		SCTP_SET_TSN_PRESENT(asoc->nr_mapping_array, gap);
 		if (SCTP_TSN_GT(tsn, asoc->highest_tsn_inside_nr_map)) {