diff --git a/core/modules/comment/lib/Drupal/comment/Entity/Comment.php b/core/modules/comment/lib/Drupal/comment/Entity/Comment.php
index c30d380..8dd8e4a 100644
--- a/core/modules/comment/lib/Drupal/comment/Entity/Comment.php
+++ b/core/modules/comment/lib/Drupal/comment/Entity/Comment.php
@@ -393,6 +393,7 @@ public static function baseFieldDefinitions($entity_type) {
       'label' => t('Subject'),
       'description' => t('The comment title or subject.'),
       'type' => 'string_field',
+      'translatable' => TRUE,
     );
     $properties['uid'] = array(
       'label' => t('User ID'),
diff --git a/core/modules/content_translation/content_translation.module b/core/modules/content_translation/content_translation.module
index a6cf31c..f4aa7a8 100644
--- a/core/modules/content_translation/content_translation.module
+++ b/core/modules/content_translation/content_translation.module
@@ -600,7 +627,8 @@ function content_translation_form_alter(array &$form, array &$form_state) {
     if (!$entity->isNew() && (!isset($translations[$form_langcode]) || count($translations) > 1)) {
       foreach ($entity->getPropertyDefinitions() as $property_name => $definition) {
         if (isset($form[$property_name])) {
-          $form[$property_name]['#multilingual'] = !empty($definition['translatable']);
+          $config = content_translation_get_config($entity->entityType(), $entity->bundle(), 'fields.' . $property_name);
+          $form[$property_name]['#multilingual'] = !empty($definition['translatable']) && !empty($config);
         }
       }
     }
diff --git a/core/modules/content_translation/lib/Drupal/content_translation/Tests/ContentTranslationSettingsTest.php b/core/modules/content_translation/lib/Drupal/content_translation/Tests/ContentTranslationSettingsTest.php
index ecab4c4..a10ad27 100644
--- a/core/modules/content_translation/lib/Drupal/content_translation/Tests/ContentTranslationSettingsTest.php
+++ b/core/modules/content_translation/lib/Drupal/content_translation/Tests/ContentTranslationSettingsTest.php
@@ -113,6 +113,17 @@ function testSettingsUI() {
     $this->drupalPostForm('admin/structure/types/manage/article', $edit, t('Save content type'));
     $this->drupalGet('admin/structure/types/manage/article');
     $this->assertFieldChecked('edit-language-configuration-content-translation');
+
+    // Test that the title field of nodes is available in the settings form.
+    $edit = array(
+      'entity_types[node]' => TRUE,
+      'settings[node][article][settings][language][langcode]' => 'current_interface',
+      'settings[node][article][settings][language][language_show]' => TRUE,
+      'settings[node][article][translatable]' => TRUE,
+      'settings[node][article][fields][title]' => TRUE
+    );
+    $this->assertSettings('node', NULL, TRUE, $edit);
+
   }
 
   /**
diff --git a/core/modules/node/lib/Drupal/node/Entity/Node.php b/core/modules/node/lib/Drupal/node/Entity/Node.php
index 8367e16..95f164f 100644
--- a/core/modules/node/lib/Drupal/node/Entity/Node.php
+++ b/core/modules/node/lib/Drupal/node/Entity/Node.php
@@ -360,6 +360,7 @@ public static function baseFieldDefinitions($entity_type) {
       'property_constraints' => array(
         'value' => array('Length' => array('max' => 255)),
       ),
+      'translatable' => TRUE,
     );
     $properties['uid'] = array(
       'label' => t('User ID'),
diff --git a/core/modules/node/lib/Drupal/node/Tests/NodeTranslationUITest.php b/core/modules/node/lib/Drupal/node/Tests/NodeTranslationUITest.php
index 77c0bbd..26d915a 100644
--- a/core/modules/node/lib/Drupal/node/Tests/NodeTranslationUITest.php
+++ b/core/modules/node/lib/Drupal/node/Tests/NodeTranslationUITest.php
@@ -38,7 +38,6 @@ public static function getInfo() {
   function setUp() {
     $this->entityType = 'node';
     $this->bundle = 'article';
-    $this->title = $this->randomName();
     parent::setUp();
     $this->drupalPlaceBlock('system_help_block', array('region' => 'content'));
   }
@@ -63,7 +62,7 @@ protected function getTranslatorPermissions() {
    */
   protected function getNewEntityValues($langcode) {
     // Node title is not translatable yet, hence we use a fixed value.
-    return array('title' => $this->title) + parent::getNewEntityValues($langcode);
+    return array('title' => $this->randomName()) + parent::getNewEntityValues($langcode);
   }
 
   /**