diff --git a/core/modules/menu_link_content/src/Form/MenuLinkContentForm.php b/core/modules/menu_link_content/src/Form/MenuLinkContentForm.php
index 418f386..fa6eb4c 100644
--- a/core/modules/menu_link_content/src/Form/MenuLinkContentForm.php
+++ b/core/modules/menu_link_content/src/Form/MenuLinkContentForm.php
@@ -92,25 +92,41 @@ public function form(array $form, FormStateInterface $form_state) {
   /**
    * {@inheritdoc}
    */
-  public function validate(array $form, FormStateInterface $form_state) {
-    parent::validate($form, $form_state);
+  public function validateForm(array &$form, FormStateInterface $form_state) {
+    parent::validateForm($form, $form_state);
 
-    $link_uri = $form_state->getValue('link')[0]['uri'];
     // If the URL is internal, we want to check that the link will resolve in a
     // way the user expects. We only check that if the form does not have any
     // other errors, because to try to construct a URL from invalid input throws
     // an exception, and the user will already be notified from the parent
     // validation.
-    if (!$form_state->hasAnyErrors() && !Url::fromUri($link_uri)->isExternal()) {
-      // Find the user input and validate that no URL negotiator will end up
-      // changing this URL to something else. For example if a user is entering
-      // a URL with a language prefix.
-      $user_link = $form_state->getUserInput();
-      // Create a URL object from that.
-      $user_url = Url::fromUserInput($user_link['link'][0]['uri']);
-      // Compare the generated link from what Drupal thinks this is.
-      if ($user_link['link'][0]['uri'] != $user_url->toString()) {
-        $form_state->setErrorByName('link', $this->t('The link you entered is not valid'));
+    if (!$form_state->hasAnyErrors()) {
+      $link_uri = $form_state->getValue('link')[0]['uri'];
+      $language = $this->language_manager->getLanguage($form_state->getValue('langcode')[0]['value']);
+      $link_url = Url::fromUri($link_uri, [
+        'language' => $language,
+      ]);
+      if (!$link_url->isExternal()) {
+        // Find the user input and validate that no URL negotiator will end up
+        // changing this URL to something else. For example if a user is entering
+        // a URL with a language prefix.
+        $user_input = $form_state->getUserInput();
+        $user_link = $user_input['link'][0]['uri'];
+        // Create a URL object from that.
+        $user_url = $this->pathValidator
+          ->getUrlIfValidWithoutAccessCheck($user_link);
+        if ($user_url) {
+          // If the user entered the special case "<front>" we must allow this to
+          // not correspond to what Drupal thinks the URL is.
+          if ($user_link == '<front>') {
+            $user_link = '/';
+          }
+          // Compare the generated link from what Drupal thinks this is.
+          $user_url->setOption('language', $language);
+          if ($user_link != $user_url->toString()) {
+            $form_state->setErrorByName('link', $this->t('The link you entered is not valid'));
+          }
+        }
       }
     }
   }