1 files changed, 1 insertions, 1 deletions
diff --git a/src/tac.c b/src/tac.c
index ca640b81e..dca32bde4 100644
--- a/src/tac.c
+++ b/src/tac.c
@@ -612,7 +612,7 @@ main (int argc, char **argv)
   bindtextdomain (PACKAGE, LOCALEDIR);
   textdomain (PACKAGE);
 
-  parse_long_options (argc, argv, "tac", GNU_PACKAGE, VERSION,
+  parse_long_options (argc, argv, PROGRAM_NAME, GNU_PACKAGE, VERSION,
 		      "Jay Lepreau and David MacKenzie", usage);
 
   errors = 0;