diff -u b/core/lib/Drupal/Core/Menu/LanguageMenuLinkManipulator.php b/core/lib/Drupal/Core/Menu/LanguageMenuLinkManipulator.php
--- b/core/lib/Drupal/Core/Menu/LanguageMenuLinkManipulator.php
+++ b/core/lib/Drupal/Core/Menu/LanguageMenuLinkManipulator.php
@@ -3,6 +3,7 @@
 namespace Drupal\Core\Menu;
 
 use Drupal\Core\Language\LanguageManagerInterface;
+use Drupal\Core\Language\LanguageInterface;
 
 /**
  * Provides a menu link language manipulator.
@@ -36,7 +37,7 @@
    *   The manipulated menu link tree.
    */
   public function filterLanguage(array $tree) {
-    $current_language = $this->languageManager->getCurrentLanguage()->getId();
+    $current_language = $this->languageManager->getCurrentLanguage(LanguageInterface::TYPE_CONTENT)->getId();
 
     foreach ($tree as $key => $link) {
       if ($link->link instanceof MenuLinkTranslationInterface) {