1 files changed, 2 insertions, 2 deletions

diff --git a/ssh-pkcs11-client.c b/ssh-pkcs11-client.c
index 8c74864aa..fac0167e6 100644
--- a/ssh-pkcs11-client.c
+++ b/ssh-pkcs11-client.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh-pkcs11-client.c,v 1.5 2014/06/24 01:13:21 djm Exp $ */
+/* $OpenBSD: ssh-pkcs11-client.c,v 1.6 2015/12/11 00:20:04 mmcc Exp $ */
 /*
  * Copyright (c) 2010 Markus Friedl.  All rights reserved.
  *
@@ -173,7 +173,7 @@ pkcs11_start_helper(void)
                 close(pair[0]);
                 close(pair[1]);
                 execlp(_PATH_SSH_PKCS11_HELPER, _PATH_SSH_PKCS11_HELPER,
-                    (char *) 0);
+                    (char *)NULL);
                 fprintf(stderr, "exec: %s: %s\n", _PATH_SSH_PKCS11_HELPER,
                     strerror(errno));
                 _exit(1);