diff --git a/contrib/blacklist/bin/blacklistctl.c b/contrib/blacklist/bin/blacklistctl.c
--- a/contrib/blacklist/bin/blacklistctl.c
+++ b/contrib/blacklist/bin/blacklistctl.c
@@ -61,7 +61,7 @@
 {
 	if (c == 0)
 		warnx("Missing/unknown command");
-	else
+	else if (c != '?')
 		warnx("Unknown option `%c'", (char)c);
 	fprintf(stderr, "Usage: %s dump [-abdnrw]\n", getprogname());
 	exit(EXIT_FAILURE);
@@ -123,7 +123,6 @@
 			break;
 		default:
 			usage(o);
-			break;
 		}
 
 	db = state_open(dbname, O_RDONLY, 0);
diff --git a/contrib/blacklist/bin/blacklistd.c b/contrib/blacklist/bin/blacklistd.c
--- a/contrib/blacklist/bin/blacklistd.c
+++ b/contrib/blacklist/bin/blacklistd.c
@@ -105,7 +105,7 @@
 static __dead void
 usage(int c)
 {
-	if (c)
+	if (c != '?')
 		warnx("Unknown option `%c'", (char)c);
 	fprintf(stderr, "Usage: %s [-vdfr] [-c <config>] [-R <rulename>] "
 	    "[-P <sockpathsfile>] [-C <controlprog>] [-D <dbfile>] "
@@ -480,7 +480,7 @@
 
 	argc -= optind;
 	if (argc)
-		usage(0);
+		usage('?');
 
 	signal(SIGHUP, sighup);
 	signal(SIGINT, sigdone);