diff --git a/sys/netinet/sctp_input.c b/sys/netinet/sctp_input.c
index fac3cd7b1933..c19464f15584 100644
--- a/sys/netinet/sctp_input.c
+++ b/sys/netinet/sctp_input.c
@@ -4568,8 +4568,10 @@ __attribute__((noinline))
 		if ((ch->chunk_type == SCTP_ABORT_ASSOCIATION) ||
 		    (ch->chunk_type == SCTP_SHUTDOWN_COMPLETE) ||
 		    (ch->chunk_type == SCTP_PACKET_DROPPED)) {
-			if ((vtag_in == asoc->my_vtag) ||
-			    ((ch->chunk_flags & SCTP_HAD_NO_TCB) &&
+			/* Take the T-bit always into account. */
+			if ((((ch->chunk_flags & SCTP_HAD_NO_TCB) == 0) &&
+			    (vtag_in == asoc->my_vtag)) ||
+			    (((ch->chunk_flags & SCTP_HAD_NO_TCB) == SCTP_HAD_NO_TCB) &&
 			    (vtag_in == asoc->peer_vtag))) {
 				/* this is valid */
 			} else {