diff --git a/src/Symfony/Component/Console/Application.php b/src/Symfony/Component/Console/Application.php
index a3998a82e7..138248d87b 100644
--- a/src/Symfony/Component/Console/Application.php
+++ b/src/Symfony/Component/Console/Application.php
@@ -859,9 +859,7 @@ class Application
 
         if (true === $input->hasParameterOption(array('--no-interaction', '-n'))) {
             $input->setInteractive(false);
-        }
-
-        if (function_exists('posix_isatty') && $this->getHelperSet()->has('dialog')) {
+        } elseif (function_exists('posix_isatty') && $this->getHelperSet()->has('dialog')) {
             $inputStream = $this->getHelperSet()->get('dialog')->getInputStream();
             if (!posix_isatty($inputStream)) {
                 $input->setInteractive(false);