diff --git a/Helper/QuestionHelper.php b/Helper/QuestionHelper.php
index 14cc77468..f64e6cf72 100644
--- a/Helper/QuestionHelper.php
+++ b/Helper/QuestionHelper.php
@@ -105,7 +105,7 @@ private function doAsk(OutputInterface $output, Question $question)
     {
         $this->writePrompt($output, $question);
 
-        $inputStream = $this->inputStream ?: fopen('php://stdin', 'r');
+        $inputStream = $this->inputStream ?: STDIN;
         $autocomplete = $question->getAutocompleterCallback();
 
         if (null === $autocomplete || !self::$stty || !Terminal::hasSttyAvailable()) {