1 files changed, 1 insertions, 1 deletions

diff --git a/ssh-keygen.c b/ssh-keygen.c
index 7dc10808c..f910dce38 100644
--- a/ssh-keygen.c
+++ b/ssh-keygen.c
@@ -1300,7 +1300,7 @@ parse_cert_times(char *timespec)
         from = xstrdup(timespec);
         to = strchr(from, ':');
         if (to == NULL || from == to || *(to + 1) == '\0')
-                fatal("Invalid certificate life specification %s", optarg);
+                fatal("Invalid certificate life specification %s", timespec);
         *to++ = '\0';
 
         if (*from == '-' || *from == '+')