1 files changed, 1 insertions, 1 deletions

diff --git a/plugins/check_ntp.c b/plugins/check_ntp.c
index d6e1dd5..3ed8f34 100644
--- a/plugins/check_ntp.c
+++ b/plugins/check_ntp.c
@@ -694,7 +694,7 @@ int process_arguments(int argc, char **argv){
                         break;
                 case '?':
                         /* print short usage statement if args not parsable */
-                        usage2 (_("Unknown argument"), optarg);
+                        usage5 ();
                         break;
                 }
         }