diff --git a/src/Commands/BuildCommand.php b/src/Commands/BuildCommand.php
index c7f1188..2b50f22 100644
--- a/src/Commands/BuildCommand.php
+++ b/src/Commands/BuildCommand.php
@@ -109,7 +109,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
         // vendor/namespace
         $question = new Question("Namespace of package [<fg=yellow>{$defaultNamespace}</fg=yellow>]: ", $defaultNamespace);
         $this->info['NAMESPACE'] = $helper->ask($input, $output, $question);
-        $this->info['VENDOR'] = strtolower(strstr($this->info['NAMESPACE'], '\\', true));
+        $this->info['VENDOR'] = strtolower(strstr($this->info['PACKAGE_NAME'], '/', true));
         $this->info['PACKAGE'] = substr($this->info['PACKAGE_NAME'], strlen($this->info['VENDOR']) + 1);
 
         // description