diff --git a/bin/now b/bin/now
index 5902889..9c811b6 100755
--- a/bin/now
+++ b/bin/now
@@ -26,7 +26,8 @@ let cmd = argv._[0];
 let args = [];
 
 if ('help' === cmd) {
-  cmd = argv._[1] || defaultCommand;
+  cmd = argv._[1];
+  if (!commands.has(cmd)) cmd = defaultCommand;
   args.push('--help');
 }