1 files changed, 2 insertions, 2 deletions

diff --git a/packet.c b/packet.c
index 33559cd4f..5afc84ce0 100644
--- a/packet.c
+++ b/packet.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.159 2009/01/26 09:58:15 markus Exp $ */
+/* $OpenBSD: packet.c,v 1.160 2009/02/13 11:50:21 markus Exp $ */
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -236,7 +236,7 @@ packet_stop_discard(void)
 static void
 packet_start_discard(Enc *enc, Mac *mac, u_int packet_length, u_int discard)
 {
-        if (!cipher_is_cbc(enc->cipher))
+        if (enc == NULL || !cipher_is_cbc(enc->cipher))
                 packet_disconnect("Packet corrupt");
         if (packet_length != PACKET_MAX_SIZE && mac && mac->enabled)
                 packet_discard_mac = mac;