diff --git a/example.settings.fast404.php b/example.settings.fast404.php
index 30d6823..a080ebd 100644
--- a/example.settings.fast404.php
+++ b/example.settings.fast404.php
@@ -138,10 +138,16 @@
  * regular 404 error. In this case you can specify a URL to another page and it
  * will be read and displayed (it can't be redirected to because we have to
  * give a 30x header to do that. This page needs to be in your docroot.
+ * Accepts a normal path, or an array, keyed by langcodes.
  *
  * Default value for this setting is FALSE.
  */
 # $settings['fast404_HTML_error_page'] = './my_page.html';
+# The page is translatable.
+# $settings['fast404_HTML_error_page'] = [
+#   'en' => './my_page-en.html',
+#   'fr' => './my_page-fr.html',
+# ];
 
 /**
  * Load the fast404.inc file.
diff --git a/fast404.services.yml b/fast404.services.yml
index b9b5a9f..dc989d3 100644
--- a/fast404.services.yml
+++ b/fast404.services.yml
@@ -1,6 +1,6 @@
 services:
   fast404.:
     class: Drupal\fast404\EventSubscriber\Fast404EventSubscriber
-    arguments: ['@request_stack']
+    arguments: ['@request_stack', '@language_manager']
     tags:
       - { name: event_subscriber }
diff --git a/src/EventSubscriber/Fast404EventSubscriber.php b/src/EventSubscriber/Fast404EventSubscriber.php
index 6caff8a..d60b950 100644
--- a/src/EventSubscriber/Fast404EventSubscriber.php
+++ b/src/EventSubscriber/Fast404EventSubscriber.php
@@ -2,14 +2,15 @@
 
 namespace Drupal\fast404\EventSubscriber;
 
+use Drupal\Core\Language\LanguageManagerInterface;
+use Drupal\Core\Site\Settings;
+use Drupal\fast404\Fast404;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\HttpFoundation\RequestStack;
+use Symfony\Component\HttpKernel\Event\GetResponseEvent;
 use Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent;
 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
 use Symfony\Component\HttpKernel\KernelEvents;
-use Symfony\Component\HttpKernel\Event\GetResponseEvent;
-use Symfony\Component\EventDispatcher\EventSubscriberInterface;
-use Symfony\Component\HttpFoundation\RequestStack;
-use Drupal\Core\Site\Settings;
-use Drupal\fast404\Fast404;
 
 /**
  * Class Fast404EventSubscriber.
@@ -25,14 +26,24 @@ class Fast404EventSubscriber implements EventSubscriberInterface {
    */
   public $requestStack;
 
+  /**
+   * The language manager
+   *
+   * @var \Drupal\Core\Language\LanguageManagerInterface
+   */
+  protected $languageManager;
+
   /**
    * Constructs a new Fast404EventSubscriber instance.
    *
    * @param \Symfony\Component\HttpFoundation\RequestStack $request_stack
    *   The Request Stack.
+   * @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
+   *   The language manager.
    */
-  public function __construct(RequestStack $request_stack) {
+  public function __construct(RequestStack $request_stack, LanguageManagerInterface $language_manager) {
     $this->requestStack = $request_stack;
+    $this->languageManager = $language_manager;
   }
 
   /**
@@ -40,7 +51,7 @@ class Fast404EventSubscriber implements EventSubscriberInterface {
    */
   public function onKernelRequest(GetResponseEvent $event) {
     $request = $this->requestStack->getCurrentRequest();
-    $fast_404 = new Fast404($request);
+    $fast_404 = new Fast404($request, $this->languageManager->getCurrentLanguage()->getId());
 
     $fast_404->extensionCheck();
     if ($fast_404->isPathBlocked()) {
@@ -63,7 +74,7 @@ class Fast404EventSubscriber implements EventSubscriberInterface {
     // Check to see if we will completely replace the Drupal 404 page.
     if (Settings::get('fast404_not_found_exception', FALSE)) {
       if ($event->getException() instanceof NotFoundHttpException) {
-        $fast_404 = new Fast404($event->getRequest());
+        $fast_404 = new Fast404($event->getRequest(), $this->languageManager->getCurrentLanguage()->getId());
         $event->setResponse($fast_404->response(TRUE));
       }
     }
diff --git a/src/Fast404.php b/src/Fast404.php
index 0939279..d6e822f 100644
--- a/src/Fast404.php
+++ b/src/Fast404.php
@@ -2,10 +2,10 @@
 
 namespace Drupal\fast404;
 
-use Drupal\Core\Site\Settings;
+use Drupal\Component\Render\FormattableMarkup;
 use Drupal\Core\Database\Database;
+use Drupal\Core\Site\Settings;
 use Drupal\Core\StringTranslation\StringTranslationTrait;
-use Drupal\Component\Render\FormattableMarkup;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpKernel\Exception\ServiceUnavailableHttpException;
@@ -40,14 +40,24 @@ class Fast404 {
    */
   public $loadHtml = TRUE;
 
+  /**
+   * The langcode to use for the translated 404 page if it exists.
+   *
+   * @var string
+   */
+  public $langcode = NULL;
+
   /**
    * Fast404 constructor.
    *
    * @param \Symfony\Component\HttpFoundation\Request $request
    *   The current request.
+   * @param string $langcode
+   *   The current langcode.
    */
-  public function __construct(Request $request) {
+  public function __construct(Request $request, $langcode = NULL) {
     $this->request = $request;
+    $this->langcode = $langcode;
   }
 
   /**
@@ -198,10 +208,21 @@ class Fast404 {
   public function response($return = FALSE) {
     $message = Settings::get('fast404_html', '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML+RDFa 1.0//EN" "http://www.w3.org/MarkUp/DTD/xhtml-rdfa-1.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>404 Not Found</title></head><body><h1>Not Found</h1><p>The requested URL "@path" was not found on this server.</p></body></html>');
     $return_gone = Settings::get('fast404_return_gone', FALSE);
-    $custom_404_path = Settings::get('fast404_HTML_error_page', FALSE);
+    $custom_404 = Settings::get('fast404_HTML_error_page', FALSE);
+    $custom_404_path = NULL;
     // If a file is set to provide us with Fast 404 joy, load it.
-    if (($this->loadHtml || Settings::get('fast404_HTML_error_all_paths', FALSE) === TRUE) && file_exists($custom_404_path)) {
-      $message = @file_get_contents($custom_404_path, FALSE);
+    if (($this->loadHtml || Settings::get('fast404_HTML_error_all_paths', FALSE) === TRUE)) {
+      if (is_array($custom_404)) {
+        // If it is an array, get path depending on the langcode, if langcode is NULL, default to the first value.
+        $custom_404_path = $this->langcode && isset($custom_404[$this->langcode]) ? $custom_404[$this->langcode] : reset($custom_404);
+      }
+      else {
+        $custom_404_path = $custom_404;
+      }
+
+      if (file_exists($custom_404_path)) {
+        $message = @file_get_contents($custom_404_path, FALSE);
+      }
     }
     $headers = [
       Settings::get('fast404_HTTP_status_method', 'mod_php') === 'FastCGI' ? 'Status:' : 'HTTP/1.0' => $return_gone ? '410 Gone' : '404 Not Found',
diff --git a/tests/src/Unit/Fast404EventSubscriberTest.php b/tests/src/Unit/Fast404EventSubscriberTest.php
index 4140dd0..0229e98 100644
--- a/tests/src/Unit/Fast404EventSubscriberTest.php
+++ b/tests/src/Unit/Fast404EventSubscriberTest.php
@@ -63,8 +63,17 @@ class Fast404EventSubscriberTest extends UnitTestCase {
     $requestStackStub = $this->getMockBuilder('\Symfony\Component\HttpFoundation\RequestStack')
       ->disableOriginalConstructor()
       ->getMock();
+    $langaugeManagerStub = $this->getMockBuilder('\Drupal\Core\Language\LanguageManager')
+      ->disableOriginalConstructor()
+      ->getMock();
+    $languageStub = $this->getMockBuilder('\Drupal\Core\Language\Language')
+      ->disableOriginalConstructor()
+      ->getMock();
+    $languageStub->method('getId')->willReturn('en');
+    $langaugeManagerStub->method('getCurrentLanguage')->willReturn($languageStub);
+
     $subscriber = $this->getMockBuilder('\Drupal\fast404\EventSubscriber\Fast404EventSubscriber')
-      ->setConstructorArgs([$requestStackStub])
+      ->setConstructorArgs([$requestStackStub, $langaugeManagerStub])
       ->getMock();
     return $subscriber;
   }