diff --git a/src/Symfony/Component/Console/Application.php b/src/Symfony/Component/Console/Application.php
index acd32687880c..410900cc2bcf 100644
--- a/src/Symfony/Component/Console/Application.php
+++ b/src/Symfony/Component/Console/Application.php
@@ -36,6 +36,7 @@
 use Symfony\Component\Console\Input\InputDefinition;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Input\StreamableInputInterface;
 use Symfony\Component\Console\Output\ConsoleOutput;
 use Symfony\Component\Console\Output\ConsoleOutputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
@@ -946,6 +947,16 @@ protected function configureIO(InputInterface $input, OutputInterface $output)
 
         if (true === $input->hasParameterOption(['--no-interaction', '-n'], true)) {
             $input->setInteractive(false);
+        } elseif (\function_exists('posix_isatty')) {
+            $inputStream = null;
+
+            if ($input instanceof StreamableInputInterface) {
+                $inputStream = $input->getStream();
+            }
+
+            if (!@posix_isatty($inputStream) && false === getenv('SHELL_INTERACTIVE')) {
+                $input->setInteractive(false);
+            }
         }
 
         switch ($shellVerbosity = (int) getenv('SHELL_VERBOSITY')) {
diff --git a/src/Symfony/Component/Console/Tester/ApplicationTester.php b/src/Symfony/Component/Console/Tester/ApplicationTester.php
index 4f99da18d5f8..ced56cff208b 100644
--- a/src/Symfony/Component/Console/Tester/ApplicationTester.php
+++ b/src/Symfony/Component/Console/Tester/ApplicationTester.php
@@ -59,12 +59,19 @@ public function run(array $input, $options = [])
             $this->input->setInteractive($options['interactive']);
         }
 
+        $shellInteractive = getenv('SHELL_INTERACTIVE');
+
         if ($this->inputs) {
             $this->input->setStream(self::createStream($this->inputs));
+            putenv('SHELL_INTERACTIVE=1');
         }
 
         $this->initOutput($options);
 
-        return $this->statusCode = $this->application->run($this->input, $this->output);
+        $this->statusCode = $this->application->run($this->input, $this->output);
+
+        putenv($shellInteractive ? "SHELL_INTERACTIVE=$shellInteractive" : 'SHELL_INTERACTIVE');
+
+        return $this->statusCode;
     }
 }
diff --git a/src/Symfony/Component/Console/Tests/phpt/uses_stdin_as_interactive_input.phpt b/src/Symfony/Component/Console/Tests/phpt/uses_stdin_as_interactive_input.phpt
deleted file mode 100644
index db1bb4ce436e..000000000000
--- a/src/Symfony/Component/Console/Tests/phpt/uses_stdin_as_interactive_input.phpt
+++ /dev/null
@@ -1,28 +0,0 @@
---STDIN--
-Hello World
---FILE--
-<?php
-
-use Symfony\Component\Console\Application;
-use Symfony\Component\Console\Helper\QuestionHelper;
-use Symfony\Component\Console\Input\InputInterface;
-use Symfony\Component\Console\Output\OutputInterface;
-use Symfony\Component\Console\Question\Question;
-
-$vendor = __DIR__;
-while (!file_exists($vendor.'/vendor')) {
-    $vendor = \dirname($vendor);
-}
-require $vendor.'/vendor/autoload.php';
-
-(new Application())
-    ->register('app')
-    ->setCode(function(InputInterface $input, OutputInterface $output) {
-        $output->writeln((new QuestionHelper())->ask($input, $output, new Question('Foo?')));
-    })
-    ->getApplication()
-    ->setDefaultCommand('app', true)
-    ->run()
-;
---EXPECT--
-Foo?Hello World