diff --git a/ssh-keygen.c b/ssh-keygen.c
index 4c5b140..670024b 100644
--- a/ssh-keygen.c
+++ b/ssh-keygen.c
@@ -1070,7 +1070,7 @@
 	/* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
 	sanitise_stdfd();
 
-	__progname = ssh_get_progname(av[0]);
+	__progname = ssh_get_progname(argv[0]);
 
 	SSLeay_add_all_algorithms();
 	log_init(argv[0], SYSLOG_LEVEL_INFO, SYSLOG_FACILITY_USER, 1);