1 files changed, 1 insertions, 5 deletions

diff --git a/plugins/check_mrtgtraf.c b/plugins/check_mrtgtraf.c
index 096b3bde..877072ce 100644
--- a/plugins/check_mrtgtraf.c
+++ b/plugins/check_mrtgtraf.c
@@ -260,9 +260,7 @@ process_arguments (int argc, char **argv)
                         print_help ();
                         exit (STATE_OK);
                 case '?':                                                                       /* help */
-                        printf (_("%s: Unknown argument: %s\n\n"), progname, optarg);
-                        print_usage ();
-                        exit (STATE_UNKNOWN);
+                        usage2 (_("Unknown argument"), optarg);
                 }
         }
 
@@ -304,7 +302,6 @@ process_arguments (int argc, char **argv)
 }
 
 
-
 int
 validate_arguments (void)
 {
@@ -312,7 +309,6 @@ validate_arguments (void)
 }
 
 
-
 void
 print_help (void)
 {