jsonapi.services.yml                               |  3 +--
 src/Normalizer/LabelOnlyEntityNormalizer.php       | 21 +++++++++++++++++++--
 tests/src/Functional/ResourceResponseTestTrait.php |  3 +++
 3 files changed, 23 insertions(+), 4 deletions(-)

diff --git a/jsonapi.services.yml b/jsonapi.services.yml
index 485317d..6604bb1 100644
--- a/jsonapi.services.yml
+++ b/jsonapi.services.yml
@@ -69,10 +69,9 @@ services:
       - { name: jsonapi_normalizer_do_not_use_removal_imminent }
   serializer.normalizer.entity.label_only.jsonapi:
     class: Drupal\jsonapi\Normalizer\LabelOnlyEntityNormalizer
-    arguments: ['@jsonapi.link_manager']
+    arguments: ['@jsonapi.link_manager', '@jsonapi.resource_type.repository']
     tags:
       - { name: jsonapi_normalizer_do_not_use_removal_imminent }
-
   serializer.normalizer.config_entity.jsonapi:
     class: Drupal\jsonapi\Normalizer\ConfigEntityNormalizer
     arguments: ['@jsonapi.link_manager', '@jsonapi.resource_type.repository', '@entity_type.manager']
diff --git a/src/Normalizer/LabelOnlyEntityNormalizer.php b/src/Normalizer/LabelOnlyEntityNormalizer.php
index 5dc4f18..a1ef16c 100644
--- a/src/Normalizer/LabelOnlyEntityNormalizer.php
+++ b/src/Normalizer/LabelOnlyEntityNormalizer.php
@@ -6,6 +6,7 @@ use Drupal\jsonapi\LabelOnlyEntity;
 use Drupal\jsonapi\Normalizer\Value\EntityNormalizerValue;
 use Drupal\jsonapi\LinkManager\LinkManager;
 use Drupal\jsonapi\ResourceType\ResourceType;
+use Drupal\jsonapi\ResourceType\ResourceTypeRepositoryInterface;
 
 /**
  * Pretends that the entity only has a single field: the label field.
@@ -34,13 +35,23 @@ class LabelOnlyEntityNormalizer extends NormalizerBase {
   protected $linkManager;
 
   /**
+   * The JSON API resource type repository.
+   *
+   * @var \Drupal\jsonapi\ResourceType\ResourceTypeRepositoryInterface
+   */
+  protected $resourceTypeRepository;
+
+  /**
    * Constructs an LabelOnlyEntityNormalizer object.
    *
    * @param \Drupal\jsonapi\LinkManager\LinkManager $link_manager
    *   The link manager.
+   * @param \Drupal\jsonapi\ResourceType\ResourceTypeRepositoryInterface $resource_type_repository
+   *   The JSON API resource type repository.
    */
-  public function __construct(LinkManager $link_manager) {
+  public function __construct(LinkManager $link_manager, ResourceTypeRepositoryInterface $resource_type_repository) {
     $this->linkManager = $link_manager;
+    $this->resourceTypeRepository = $resource_type_repository;
   }
 
   /**
@@ -48,9 +59,15 @@ class LabelOnlyEntityNormalizer extends NormalizerBase {
    */
   public function normalize($label_only_entity, $format = NULL, array $context = []) {
     assert($label_only_entity instanceof LabelOnlyEntity);
+    $entity = $label_only_entity->getEntity();
+
+    // If the fields to use were specified, only output those field values.
+    $context['resource_type'] = $this->resourceTypeRepository->get(
+      $entity->getEntityTypeId(),
+      $entity->bundle()
+    );
 
     // Determine the (internal) label field name.
-    $entity = $label_only_entity->getEntity();
     $label_field_name = $entity->getEntityType()->getKey('label');
     // @todo Fix Entity/Field API and User module in Drupal core so that despite
     // there being a label callback, we can also still figure out that "name" is
diff --git a/tests/src/Functional/ResourceResponseTestTrait.php b/tests/src/Functional/ResourceResponseTestTrait.php
index ca66752..f9e74b7 100644
--- a/tests/src/Functional/ResourceResponseTestTrait.php
+++ b/tests/src/Functional/ResourceResponseTestTrait.php
@@ -156,6 +156,9 @@ trait ResourceResponseTestTrait {
         if ($target_entity = $entity->{$field_name}->entity) {
           $target_access = static::entityAccess($target_entity, 'view', $this->account);
           if (!$target_access->isAllowed()) {
+            $target_access = static::entityAccess($target_entity, 'view label', $this->account)->addCacheableDependency($target_access);
+          }
+          if (!$target_access->isAllowed()) {
             $resource_identifier = static::toResourceIdentifier($target_entity);
             if (!static::collectionHasResourceIdentifier($resource_identifier, $data['already_checked'])) {
               $data['already_checked'][] = $resource_identifier;