diff --git a/core/modules/user/src/Plugin/LanguageNegotiation/LanguageNegotiationUser.php b/core/modules/user/src/Plugin/LanguageNegotiation/LanguageNegotiationUser.php
index da8aaf0..e560649 100644
--- a/core/modules/user/src/Plugin/LanguageNegotiation/LanguageNegotiationUser.php
+++ b/core/modules/user/src/Plugin/LanguageNegotiation/LanguageNegotiationUser.php
@@ -26,20 +26,18 @@ class LanguageNegotiationUser extends LanguageNegotiationMethodBase {
    * {@inheritdoc}
    */
   public function getLangcode(Request $request = NULL) {
-    $langcode = NULL;
-
     // User preference (only for authenticated users).
     if ($this->languageManager && $this->currentUser->isAuthenticated()) {
       $preferred_langcode = $this->currentUser->getPreferredLangcode();
-      $default_langcode = $this->languageManager->getDefaultLanguage()->getId();
       $languages = $this->languageManager->getLanguages();
-      if (!empty($preferred_langcode) && $preferred_langcode != $default_langcode && isset($languages[$preferred_langcode])) {
-        $langcode = $preferred_langcode;
+
+      if (!empty($languages[$preferred_langcode])) {
+        return $preferred_langcode;
       }
     }

     // No language preference from the user.
-    return $langcode;
+    return NULL;
   }

 }