1 files changed, 1 insertions, 1 deletions

diff --git a/plugins/check_dns.c b/plugins/check_dns.c
index 93af7dc5..454f813b 100644
--- a/plugins/check_dns.c
+++ b/plugins/check_dns.c
@@ -370,7 +370,7 @@ process_arguments (int argc, char **argv)
       critical = optarg;
       break;
     default: /* args not parsable */
-      usage_va(_("Unknown argument - %s"), optarg);
+      usage5();
     }
   }