1 files changed, 1 insertions, 1 deletions

diff --git a/plugins/check_udp.c b/plugins/check_udp.c
index 64ab83a7..3706a72b 100644
--- a/plugins/check_udp.c
+++ b/plugins/check_udp.c
@@ -51,7 +51,7 @@ main (int argc, char **argv)
         bindtextdomain (PACKAGE, LOCALEDIR);
         textdomain (PACKAGE);
 
-        if (process_arguments (argc, argv) == ERROR)
+        if (process_arguments (argc, argv) != OK)
                 usage (_("check_udp: could not parse arguments\n"));
 
         /* initialize alarm signal handling */