1 files changed, 1 insertions, 1 deletions
diff --git a/src/uptime.c b/src/uptime.c
index 371e60b47..b039f01e5 100644
--- a/src/uptime.c
+++ b/src/uptime.c
@@ -216,7 +216,7 @@ main (int argc, char **argv)
   atexit (close_stdout);
 
   parse_long_options (argc, argv, PROGRAM_NAME, GNU_PACKAGE, VERSION,
-		      usage, AUTHORS, NULL);
+		      usage, AUTHORS, (char const *) NULL);
 
   while ((optc = getopt_long (argc, argv, "", longopts, &longind)) != -1)
     {