diff --git a/sys/kern/kern_mbuf.c b/sys/kern/kern_mbuf.c
index 0a9cb72222c..a740c31789a 100644
--- a/sys/kern/kern_mbuf.c
+++ b/sys/kern/kern_mbuf.c
@@ -950,7 +950,7 @@ _mb_unmapped_to_ext(struct mbuf *m, struct mbuf **mres)
 
 	if (m->m_epg_tls != NULL) {
 		/* can't convert TLS mbuf */
-		m_freem(m);
+		m_free(m);
 		*mres = NULL;
 		return (EINVAL);
 	}
@@ -1098,7 +1098,7 @@ mb_unmapped_to_ext(struct mbuf *top, struct mbuf **mres)
 			error = _mb_unmapped_to_ext(m, &m1);
 			if (error != 0) {
 				if (top != m)
-					m_free(top);
+					m_freem(top);
 				m_freem(next);
 				*mres = NULL;
 				return (error);