1 files changed, 1 insertions, 3 deletions

diff --git a/plugins/negate.c b/plugins/negate.c
index e35ddb9e..d08c3a30 100644
--- a/plugins/negate.c
+++ b/plugins/negate.c
@@ -174,9 +174,7 @@ process_arguments (int argc, char **argv)
 
                 switch (c) {
                 case '?':     /* help */
-                        printf (_("%s: Unknown argument: %s\n\n"), progname, optarg);
-                        print_usage ();
-                        exit (STATE_UNKNOWN);
+                        usage2 (_("Unknown argument"), optarg);
                         break;
                 case 'h':     /* help */
                         print_help ();