diff --git a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/EntityReferenceInlineSettingsFormatter.php b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/EntityReferenceInlineSettingsFormatter.php
index 4957688..c0fe36d 100644
--- a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/EntityReferenceInlineSettingsFormatter.php
+++ b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/EntityReferenceInlineSettingsFormatter.php
@@ -3,6 +3,7 @@
 namespace Drupal\Core\Field\Plugin\Field\FieldFormatter;
 
 use Drupal\Core\Entity\Entity\EntityViewDisplay;
+use Drupal\Core\Entity\EntityTypeManagerInterface;
 use Drupal\Core\Entity\FieldableEntityInterface;
 use Drupal\Core\Field\BaseFieldDefinition;
 use Drupal\Core\Field\FieldDefinitionInterface;
@@ -50,6 +51,13 @@ class EntityReferenceInlineSettingsFormatter extends EntityReferenceFormatterBas
   protected $formatterPluginManager;
 
   /**
+   * The entity type manager.
+   *
+   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
+   */
+  protected $entityTypeManager;
+
+  /**
    * {@inheritdoc}
    */
   public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
@@ -62,7 +70,8 @@ public static function create(ContainerInterface $container, array $configuratio
       $configuration['view_mode'],
       $configuration['third_party_settings'],
       $container->get('entity_field.manager'),
-      $container->get('plugin.manager.field.formatter')
+      $container->get('plugin.manager.field.formatter'),
+      $container->get('entity_type.manager')
     );
   }
 
@@ -87,11 +96,14 @@ public static function create(ContainerInterface $container, array $configuratio
    *   The entity field manager.
    * @param \Drupal\Core\Field\FormatterPluginManager $formatter_plugin_manager
    *   The formatter plugin manager.
+   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
+   *   The entity type manager.
    */
-  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, EntityFieldManager $entity_field_manager, FormatterPluginManager $formatter_plugin_manager) {
+  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, EntityFieldManager $entity_field_manager, FormatterPluginManager $formatter_plugin_manager, EntityTypeManagerInterface $entity_type_manager) {
     parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
     $this->entityFieldManager = $entity_field_manager;
     $this->formatterPluginManager = $formatter_plugin_manager;
+    $this->entityTypeManager = $entity_type_manager;
   }
 
   /**
@@ -146,8 +158,9 @@ public function viewElements(FieldItemListInterface $items, $langcode) {
   protected function getAvailableFieldNames(FormStateInterface $form_state) {
     $entity_type_id = $this->fieldDefinition->getSetting('target_type');
     // We always show the entity label as an option to be selected.
-    // @TODO How to retrieve this dynamically?
-    $field_names = $entity_type_id === 'media' ? ['name' => $this->t('Name')] : ['title' => $this->t('Title')];
+    $entity_type = $this->entityTypeManager->getDefinition($entity_type_id);
+    $label_key = $entity_type->getKey('label');
+    $field_names = [$label_key => $this->entityFieldManager->getBaseFieldDefinitions($entity_type_id)[$label_key]->getLabel()];
     /** @var \Drupal\Core\Entity\EntityTypeBundleInfoInterface $bundle_info */
     $bundle_info = \Drupal::service('entity_type.bundle.info');
     $target_bundles = $this->fieldDefinition->getSetting('handler_settings')['target_bundles'] === NULL ? array_keys($bundle_info->getBundleInfo($entity_type_id)) : $this->fieldDefinition->getSetting('handler_settings')['target_bundles'];
@@ -159,7 +172,7 @@ function (FieldDefinitionInterface $field_definition) use ($show_basefields) {
             return $field_definition->getLabel();
           }
         },
-        \Drupal::service('entity_field.manager')->getFieldDefinitions($entity_type_id, $value)
+        $this->entityFieldManager->getFieldDefinitions($entity_type_id, $value)
       );
       $field_names = array_merge($field_names, array_filter($bundle_field_names));
     }