1 files changed, 1 insertions, 1 deletions

diff --git a/plugins/check_mysql.c b/plugins/check_mysql.c
index e10211f..573ec96 100644
--- a/plugins/check_mysql.c
+++ b/plugins/check_mysql.c
@@ -308,7 +308,7 @@ process_arguments (int argc, char **argv)
                         verbose++;
                         break;
                 case '?':                                                                       /* help */
-                        usage2 (_("Unknown argument"), optarg);
+                        usage5 ();
                 }
         }