1 files changed, 2 insertions, 0 deletions
diff --git a/xpp/twinstar b/xpp/twinstar
index e2f1971..287c9ef 100755
--- a/xpp/twinstar
+++ b/xpp/twinstar
@@ -166,6 +166,8 @@ if($ARGV[0] eq 'status') {
 	tws_watchdog(1, @usb_devices);
 } elsif($ARGV[0] eq 'ports') {
 	tws_showports(@usb_devices);
+} else {
+	usage;
 }
 
 __END__