diff --git a/src/Symfony/Installer/DemoCommand.php b/src/Symfony/Installer/DemoCommand.php
index a361653..9c0a40a 100644
--- a/src/Symfony/Installer/DemoCommand.php
+++ b/src/Symfony/Installer/DemoCommand.php
@@ -30,7 +30,7 @@ protected function configure()
     {
         $this
             ->setName('demo')
-            ->addArgument('directory', InputArgument::OPTIONAL, 'Directory where the new project will be created.', 'symfony_demo')
+            ->addArgument('directory', InputArgument::OPTIONAL, 'Directory where the new project will be created.')
             ->setDescription('Creates a demo Symfony project.')
         ;
     }