diff --git a/src/Symfony/Bundle/FrameworkBundle/Command/TranslationDebugCommand.php b/src/Symfony/Bundle/FrameworkBundle/Command/TranslationDebugCommand.php
index 24290a43c9..71a96aef61 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Command/TranslationDebugCommand.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Command/TranslationDebugCommand.php
@@ -38,6 +38,10 @@ use Symfony\Contracts\Translation\TranslatorInterface;
  */
 class TranslationDebugCommand extends Command
 {
+    const EXIT_CODE_GENERAL_ERROR = 64;
+    const EXIT_CODE_MISSING = 65;
+    const EXIT_CODE_UNUSED = 66;
+    const EXIT_CODE_FALLBACK = 68;
     const MESSAGE_MISSING = 0;
     const MESSAGE_UNUSED = 1;
     const MESSAGE_EQUALS_FALLBACK = 2;
@@ -123,6 +127,9 @@ EOF
 
         $locale = $input->getArgument('locale');
         $domain = $input->getOption('domain');
+
+        $exitCode = 0;
+
         /** @var KernelInterface $kernel */
         $kernel = $this->getApplication()->getKernel();
 
@@ -191,7 +198,7 @@ EOF
 
             $io->getErrorStyle()->warning($outputMessage);
 
-            return 0;
+            return self::EXIT_CODE_GENERAL_ERROR;
         }
 
         // Load the fallback catalogues
@@ -212,9 +219,13 @@ EOF
                 if ($extractedCatalogue->defines($messageId, $domain)) {
                     if (!$currentCatalogue->defines($messageId, $domain)) {
                         $states[] = self::MESSAGE_MISSING;
+
+                        $exitCode = $exitCode | self::EXIT_CODE_MISSING;
                     }
                 } elseif ($currentCatalogue->defines($messageId, $domain)) {
                     $states[] = self::MESSAGE_UNUSED;
+
+                    $exitCode = $exitCode | self::EXIT_CODE_UNUSED;
                 }
 
                 if (!\in_array(self::MESSAGE_UNUSED, $states) && true === $input->getOption('only-unused')
@@ -226,6 +237,8 @@ EOF
                     if ($fallbackCatalogue->defines($messageId, $domain) && $value === $fallbackCatalogue->get($messageId, $domain)) {
                         $states[] = self::MESSAGE_EQUALS_FALLBACK;
 
+                        $exitCode = $exitCode | self::EXIT_CODE_FALLBACK;
+
                         break;
                     }
                 }
@@ -241,7 +254,7 @@ EOF
 
         $io->table($headers, $rows);
 
-        return 0;
+        return $exitCode;
     }
 
     private function formatState(int $state): string
diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/Command/TranslationDebugCommandTest.php b/src/Symfony/Bundle/FrameworkBundle/Tests/Command/TranslationDebugCommandTest.php
index 50f1b33ea0..69a4ff5a78 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Tests/Command/TranslationDebugCommandTest.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/Command/TranslationDebugCommandTest.php
@@ -26,42 +26,48 @@ class TranslationDebugCommandTest extends TestCase
     public function testDebugMissingMessages()
     {
         $tester = $this->createCommandTester(['foo' => 'foo']);
-        $tester->execute(['locale' => 'en', 'bundle' => 'foo']);
+        $res = $tester->execute(['locale' => 'en', 'bundle' => 'foo']);
 
         $this->assertRegExp('/missing/', $tester->getDisplay());
+        $this->assertEquals(TranslationDebugCommand::EXIT_CODE_MISSING, $res);
     }
 
     public function testDebugUnusedMessages()
     {
         $tester = $this->createCommandTester([], ['foo' => 'foo']);
-        $tester->execute(['locale' => 'en', 'bundle' => 'foo']);
+        $res = $tester->execute(['locale' => 'en', 'bundle' => 'foo']);
 
         $this->assertRegExp('/unused/', $tester->getDisplay());
+        $this->assertEquals(TranslationDebugCommand::EXIT_CODE_UNUSED, $res);
     }
 
     public function testDebugFallbackMessages()
     {
-        $tester = $this->createCommandTester([], ['foo' => 'foo']);
-        $tester->execute(['locale' => 'fr', 'bundle' => 'foo']);
+        $tester = $this->createCommandTester(['foo' => 'foo'], ['foo' => 'foo']);
+        $res = $tester->execute(['locale' => 'fr', 'bundle' => 'foo']);
 
         $this->assertRegExp('/fallback/', $tester->getDisplay());
+        $this->assertEquals(TranslationDebugCommand::EXIT_CODE_FALLBACK, $res);
     }
 
     public function testNoDefinedMessages()
     {
         $tester = $this->createCommandTester();
-        $tester->execute(['locale' => 'fr', 'bundle' => 'test']);
+        $res = $tester->execute(['locale' => 'fr', 'bundle' => 'test']);
 
         $this->assertRegExp('/No defined or extracted messages for locale "fr"/', $tester->getDisplay());
+        $this->assertEquals(TranslationDebugCommand::EXIT_CODE_GENERAL_ERROR, $res);
     }
 
     public function testDebugDefaultDirectory()
     {
         $tester = $this->createCommandTester(['foo' => 'foo'], ['bar' => 'bar']);
-        $tester->execute(['locale' => 'en']);
+        $res = $tester->execute(['locale' => 'en']);
+        $expectedExitStatus = TranslationDebugCommand::EXIT_CODE_MISSING | TranslationDebugCommand::EXIT_CODE_UNUSED;
 
         $this->assertRegExp('/missing/', $tester->getDisplay());
         $this->assertRegExp('/unused/', $tester->getDisplay());
+        $this->assertEquals($expectedExitStatus, $res);
     }
 
     public function testDebugDefaultRootDirectory()
@@ -72,11 +78,14 @@ class TranslationDebugCommandTest extends TestCase
         $this->fs->mkdir($this->translationDir.'/translations');
         $this->fs->mkdir($this->translationDir.'/templates');
 
+        $expectedExitStatus = TranslationDebugCommand::EXIT_CODE_MISSING | TranslationDebugCommand::EXIT_CODE_UNUSED;
+
         $tester = $this->createCommandTester(['foo' => 'foo'], ['bar' => 'bar'], null, [$this->translationDir.'/trans'], [$this->translationDir.'/views']);
-        $tester->execute(['locale' => 'en']);
+        $res = $tester->execute(['locale' => 'en']);
 
         $this->assertRegExp('/missing/', $tester->getDisplay());
         $this->assertRegExp('/unused/', $tester->getDisplay());
+        $this->assertEquals($expectedExitStatus, $res);
     }
 
     public function testDebugCustomDirectory()
@@ -89,11 +98,14 @@ class TranslationDebugCommandTest extends TestCase
             ->with($this->equalTo($this->translationDir.'/customDir'))
             ->willThrowException(new \InvalidArgumentException());
 
+        $expectedExitStatus = TranslationDebugCommand::EXIT_CODE_MISSING | TranslationDebugCommand::EXIT_CODE_UNUSED;
+
         $tester = $this->createCommandTester(['foo' => 'foo'], ['bar' => 'bar'], $kernel);
-        $tester->execute(['locale' => 'en', 'bundle' => $this->translationDir.'/customDir']);
+        $res = $tester->execute(['locale' => 'en', 'bundle' => $this->translationDir.'/customDir']);
 
         $this->assertRegExp('/missing/', $tester->getDisplay());
         $this->assertRegExp('/unused/', $tester->getDisplay());
+        $this->assertEquals($expectedExitStatus, $res);
     }
 
     public function testDebugInvalidDirectory()
diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/Functional/TranslationDebugCommandTest.php b/src/Symfony/Bundle/FrameworkBundle/Tests/Functional/TranslationDebugCommandTest.php
index 382c4b5d94..70a6c923dc 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Tests/Functional/TranslationDebugCommandTest.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/Functional/TranslationDebugCommandTest.php
@@ -11,6 +11,7 @@
 
 namespace Symfony\Bundle\FrameworkBundle\Tests\Functional;
 
+use Symfony\Bundle\FrameworkBundle\Command\TranslationDebugCommand;
 use Symfony\Bundle\FrameworkBundle\Console\Application;
 use Symfony\Component\Console\Tester\CommandTester;
 
@@ -32,7 +33,11 @@ class TranslationDebugCommandTest extends AbstractWebTestCase
         $tester = $this->createCommandTester();
         $ret = $tester->execute(['locale' => 'en']);
 
-        $this->assertSame(0, $ret, 'Returns 0 in case of success');
+        $this->assertSame(
+            TranslationDebugCommand::EXIT_CODE_MISSING | TranslationDebugCommand::EXIT_CODE_UNUSED,
+            $ret,
+            'Returns appropriate exit code in the event of error'
+        );
         $this->assertStringContainsString('missing    messages     hello_from_construct_arg_service', $tester->getDisplay());
         $this->assertStringContainsString('missing    messages     hello_from_subscriber_service', $tester->getDisplay());
         $this->assertStringContainsString('missing    messages     hello_from_property_service', $tester->getDisplay());