diff --git a/src/Symfony/Component/Console/Style/SymfonyStyle.php b/src/Symfony/Component/Console/Style/SymfonyStyle.php
index c69b0dc61dfc4..e469ba12a198b 100644
--- a/src/Symfony/Component/Console/Style/SymfonyStyle.php
+++ b/src/Symfony/Component/Console/Style/SymfonyStyle.php
@@ -16,6 +16,7 @@
 use Symfony\Component\Console\Formatter\OutputFormatter;
 use Symfony\Component\Console\Helper\Helper;
 use Symfony\Component\Console\Helper\ProgressBar;
+use Symfony\Component\Console\Helper\QuestionHelper;
 use Symfony\Component\Console\Helper\SymfonyQuestionHelper;
 use Symfony\Component\Console\Helper\Table;
 use Symfony\Component\Console\Input\InputInterface;
@@ -337,6 +338,11 @@ public function askQuestion(Question $question)
         return $answer;
     }
 
+    public function setQuestionHelper(QuestionHelper $questionHelper)
+    {
+        $this->questionHelper = $questionHelper;
+    }
+
     /**
      * {@inheritdoc}
      */
diff --git a/src/Symfony/Component/Console/Tests/Style/SymfonyStyleTest.php b/src/Symfony/Component/Console/Tests/Style/SymfonyStyleTest.php
index 6bf64129f4221..6a7dafe30f6e2 100644
--- a/src/Symfony/Component/Console/Tests/Style/SymfonyStyleTest.php
+++ b/src/Symfony/Component/Console/Tests/Style/SymfonyStyleTest.php
@@ -13,6 +13,8 @@
 
 use PHPUnit_Framework_TestCase;
 use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Helper\HelperSet;
+use Symfony\Component\Console\Helper\QuestionHelper;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\Console\Style\SymfonyStyle;
@@ -70,6 +72,42 @@ public function testLongWordsBlockWrapping()
         $expectedCount = (int) ceil($wordLength / ($maxLineLength)) + (int) ($wordLength > $maxLineLength - 5);
         $this->assertSame($expectedCount, substr_count($this->tester->getDisplay(true), ' § '));
     }
+
+    public function testCanSetQuestionHelper()
+    {
+        $questionHelper = new QuestionHelper();
+
+        $this->command->setHelperSet(new HelperSet([
+            'question' => $questionHelper,
+        ]));
+
+        $this->command->setCode(function (InputInterface $input, OutputInterface $output) {
+            $io = new SymfonyStyle($input, $output);
+
+            $questionHelper = $this->command->getHelper('question');
+
+            $io->setQuestionHelper($questionHelper);
+
+            if ($io->ask('Are you really sure?') !== 'yes') {
+                return 1;
+            }
+
+            return 0;
+        });
+
+        $questionHelper->setInputStream($this->getInputStream("yes\n"));
+
+        $this->assertSame(0, $this->tester->execute([]));
+    }
+
+    private function getInputStream($input)
+    {
+        $stream = fopen('php://memory', 'r+', false);
+        fputs($stream, $input);
+        rewind($stream);
+
+        return $stream;
+    }
 }
 
 /**