diff --git a/src/Plugin/facets/processor/ListItemProcessor.php b/src/Plugin/facets/processor/ListItemProcessor.php
index d10d6f8..7bd683f 100644
--- a/src/Plugin/facets/processor/ListItemProcessor.php
+++ b/src/Plugin/facets/processor/ListItemProcessor.php
@@ -18,7 +18,7 @@ use Symfony\Component\DependencyInjection\ContainerInterface;
  * @FacetsProcessor(
  *   id = "list_item",
  *   label = @Translation("List item label"),
- *   description = @Translation("Fields that are a list (such as list (integer), list (text)) can use this processor to show the value instead of the key."),
+ *   description = @Translation("Fields that are a list (such as list (integer), list (text)) or a bundle field can use this processor to show the value instead of the key."),
  *   stages = {
  *     "build" = 5
  *   }
@@ -48,15 +48,26 @@ class ListItemProcessor extends ProcessorPluginBase implements BuildProcessorInt
   private $entityTypeBundleInfo;
 
   /**
-   * {@inheritdoc}
+   * Constructs a Drupal\Component\Plugin\PluginBase object.
+   *
+   * @param array $configuration
+   *   A configuration array containing information about the plugin instance.
+   * @param string $plugin_id
+   *   The plugin_id for the plugin instance.
+   * @param mixed $plugin_definition
+   *   The plugin implementation definition.
+   * @param \Drupal\Core\Config\ConfigManagerInterface $config_manager
+   *   The config manager.
+   * @param \Drupal\Core\Entity\EntityFieldManagerInterface $entity_field_manager
+   *   The entity field manager.
+   * @param \Drupal\Core\Entity\EntityTypeBundleInfoInterface $entity_type_bundle_info
+   *   The entity bundle info service.
    */
   public function __construct(array $configuration, $plugin_id, $plugin_definition, ConfigManagerInterface $config_manager, EntityFieldManagerInterface $entity_field_manager, EntityTypeBundleInfoInterface $entity_type_bundle_info) {
     parent::__construct($configuration, $plugin_id, $plugin_definition);
 
     $this->configManager = $config_manager;
-
     $this->entityFieldManager = $entity_field_manager;
-
     $this->entityTypeBundleInfo = $entity_type_bundle_info;
   }
 
@@ -114,6 +125,8 @@ class ListItemProcessor extends ProcessorPluginBase implements BuildProcessorInt
         $allowed_values = ${$function}($field);
       }
 
+      // If no values are found for the current field, try to see if this is a
+      // bundle field.
       if (empty($allowed_values) && $bundles = $this->entityTypeBundleInfo->getBundleInfo($entity)) {
         foreach ($bundles as $key => $bundle) {
           $allowed_values[$key] = $bundle['label'];
diff --git a/tests/src/Unit/Plugin/processor/ListItemProcessorTest.php b/tests/src/Unit/Plugin/processor/ListItemProcessorTest.php
index c5c4db7..a941d42 100644
--- a/tests/src/Unit/Plugin/processor/ListItemProcessorTest.php
+++ b/tests/src/Unit/Plugin/processor/ListItemProcessorTest.php
@@ -118,6 +118,65 @@ class ListItemProcessorTest extends UnitTestCase {
   }
 
   /**
+   * Tests facet build with field.module field.
+   */
+  public function testBundle() {
+    $module_field = $this->getMockBuilder(FieldStorageConfig::class)
+      ->disableOriginalConstructor()
+      ->getMock();
+    $module_field->expects($this->at(0))
+      ->method('getSetting')
+      ->with('allowed_values_function')
+      ->willReturn([]);
+    $module_field->expects($this->at(1))
+      ->method('getSetting')
+      ->with('allowed_values')
+      ->willReturn([]);
+
+    $config_manager = $this->getMockBuilder(ConfigManager::class)
+      ->disableOriginalConstructor()
+      ->getMock();
+    $config_manager->expects($this->any())
+      ->method('loadConfigEntityByName')
+      ->willReturn($module_field);
+
+    $entity_field_manager = $this->getMockBuilder(EntityFieldManager::class)
+      ->disableOriginalConstructor()
+      ->getMock();
+
+    $entity_type_bundle_info = $this->getMockBuilder(EntityTypeBundleInfo::class)
+      ->disableOriginalConstructor()
+      ->getMock();
+    $entity_type_bundle_info->expects($this->exactly(1))
+      ->method('getBundleInfo')
+      ->willReturn([
+        1 => ['label' => 'Monkey'],
+        2 => ['label' => 'Donkey'],
+        3 => ['label' => 'Kong'],
+      ]);
+
+    $processor_id = 'list_item';
+    $processor = new ListItemProcessor([], $processor_id, [], $config_manager, $entity_field_manager, $entity_type_bundle_info);
+
+    // Config entity field facet.
+    $module_field_facet = new Facet([], 'facets_facet');
+    $module_field_facet->setFieldIdentifier('test_facet');
+    $module_field_facet->setResults($this->results);
+    $module_field_facet->addProcessor([
+      'processor_id' => 'list_item',
+      'weights' => [],
+      'settings' => [],
+    ]);
+    /* @var \Drupal\facets\Result\Result[] $module_field_facet- */
+    $module_field_results = $processor->build($module_field_facet, $this->results);
+
+    $this->assertCount(3, $module_field_results);
+    $this->assertEquals('Monkey', $module_field_results[0]->getDisplayValue());
+    $this->assertEquals('Donkey', $module_field_results[1]->getDisplayValue());
+    $this->assertEquals('Kong', $module_field_results[2]->getDisplayValue());
+  }
+
+  /**
    * Tests facet build with base props.
    */
   public function testFacetBasepropBuild() {