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-rw-r--r--plugins/check_pgsql.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/plugins/check_pgsql.c b/plugins/check_pgsql.c
index 41c51413..cbff8d75 100644
--- a/plugins/check_pgsql.c
+++ b/plugins/check_pgsql.c
@@ -225,7 +225,7 @@ process_arguments (int argc, char **argv)
switch (c) {
case '?': /* usage */
- usage2 (_("Unknown argument"), optarg);
+ usage5 ();
case 'h': /* help */
print_help ();
exit (STATE_OK);