diff --git a/index.js b/index.js
index 12536a6..3396dce 100755
--- a/index.js
+++ b/index.js
@@ -30,7 +30,7 @@ commander.parse(process.argv);
 co(run).catch(error => console.error(chalk.red(error.stack)));
 
 function* run() {
-  if ('--help' in commander.rawArgs) {
+  if (commander.rawArgs.indexOf('--help') > 0) {
     printHelp();
     return;
   }