diff --git a/src/Symfony/Bundle/FrameworkBundle/Command/TranslationUpdateCommand.php b/src/Symfony/Bundle/FrameworkBundle/Command/TranslationUpdateCommand.php
index a29e3081f36e6..63d04856082b8 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Command/TranslationUpdateCommand.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Command/TranslationUpdateCommand.php
@@ -24,6 +24,7 @@
 use Symfony\Component\Translation\MessageCatalogue;
 use Symfony\Component\Translation\Reader\TranslationReaderInterface;
 use Symfony\Component\Translation\Writer\TranslationWriterInterface;
+use Symfony\Component\Routing\RouterInterface;
 
 /**
  * A command that parses templates to extract translation messages and adds them
@@ -43,8 +44,10 @@ class TranslationUpdateCommand extends Command
     private $defaultLocale;
     private $defaultTransPath;
     private $defaultViewsPath;
+    private $router;
+    private $defaultControllersPath;
 
-    public function __construct(TranslationWriterInterface $writer, TranslationReaderInterface $reader, ExtractorInterface $extractor, string $defaultLocale, string $defaultTransPath = null, string $defaultViewsPath = null)
+    public function __construct(TranslationWriterInterface $writer, TranslationReaderInterface $reader, ExtractorInterface $extractor, string $defaultLocale, string $defaultTransPath = null, string $defaultViewsPath = null, RouterInterface $router = null, array $defaultControllersPath = array())
     {
         parent::__construct();
 
@@ -54,6 +57,8 @@ public function __construct(TranslationWriterInterface $writer, TranslationReade
         $this->defaultLocale = $defaultLocale;
         $this->defaultTransPath = $defaultTransPath;
         $this->defaultViewsPath = $defaultViewsPath;
+        $this->router = $router;
+        $this->defaultControllersPath = $defaultControllersPath;
     }
 
     /**
@@ -127,6 +132,20 @@ protected function execute(InputInterface $input, OutputInterface $output)
         if ($this->defaultViewsPath) {
             $viewsPaths[] = $this->defaultViewsPath;
         }
+        $controllersPaths = array($kernel->getRootDir().'/Controller');
+        if ($this->defaultControllersPath) {
+            $controllersPaths = array_merge($controllersPaths, $this->defaultControllersPath);
+        }
+        if ($this->router instanceof RouterInterface) {
+            foreach ($this->router->getRouteCollection() as $route) {
+                if (!$route->hasDefault('_controller')) {
+                    continue;
+                }
+                $controllersPaths[] = dirname($route->getPath());
+            }
+            $controllersPaths = array_unique($controllersPaths);
+        }
+
         $currentName = 'app folder';
 
         // Override with provided Bundle info
@@ -169,6 +188,14 @@ protected function execute(InputInterface $input, OutputInterface $output)
             }
         }
 
+        // load any messages from controllers
+        $errorIo->comment('Parsing controllers...');
+        foreach ($controllersPaths as $path) {
+            if (is_dir($path)) {
+                $this->extractor->extract($path, $extractedCatalogue);
+            }
+        }
+
         // load any existing messages from the translation files
         $currentCatalogue = new MessageCatalogue($input->getArgument('locale'));
         $errorIo->comment('Loading translation files...');
diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/Command/TranslationUpdateCommandTest.php b/src/Symfony/Bundle/FrameworkBundle/Tests/Command/TranslationUpdateCommandTest.php
index 9232b7b027e0f..0f86c6420ac43 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Tests/Command/TranslationUpdateCommandTest.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/Command/TranslationUpdateCommandTest.php
@@ -17,6 +17,8 @@
 use Symfony\Bundle\FrameworkBundle\Command\TranslationUpdateCommand;
 use Symfony\Component\Filesystem\Filesystem;
 use Symfony\Component\HttpKernel;
+use Symfony\Component\Routing\RouteCollection;
+use Symfony\Component\Routing\RouterInterface;
 
 class TranslationUpdateCommandTest extends TestCase
 {
@@ -95,6 +97,7 @@ protected function setUp()
         $this->fs->mkdir($this->translationDir.'/Resources/views');
         $this->fs->mkdir($this->translationDir.'/translations');
         $this->fs->mkdir($this->translationDir.'/templates');
+        $this->fs->mkdir($this->translationDir.'/controllers');
     }
 
     protected function tearDown()
@@ -179,7 +182,13 @@ private function createCommandTester($extractedMessages = array(), $loadedMessag
             ->method('getContainer')
             ->will($this->returnValue($this->getMockBuilder('Symfony\Component\DependencyInjection\ContainerInterface')->getMock()));
 
-        $command = new TranslationUpdateCommand($writer, $loader, $extractor, 'en', $this->translationDir.'/translations', $this->translationDir.'/templates');
+        $router = $this->getMockBuilder(RouterInterface::class)->getMock();
+        $router
+            ->expects($this->any())
+            ->method('getRouteCollection')
+            ->will($this->returnValue(new RouteCollection()));
+
+        $command = new TranslationUpdateCommand($writer, $loader, $extractor, 'en', $this->translationDir.'/translations', $this->translationDir.'/templates', $router, array($this->translationDir.'/controllers'));
 
         $application = new Application($kernel);
         $application->add($command);