diff --git a/core/modules/entity_reference/lib/Drupal/entity_reference/Plugin/field/widget/AutocompleteWidgetBase.php b/core/modules/entity_reference/lib/Drupal/entity_reference/Plugin/field/widget/AutocompleteWidgetBase.php
index 237aff2..440b626 100644
--- a/core/modules/entity_reference/lib/Drupal/entity_reference/Plugin/field/widget/AutocompleteWidgetBase.php
+++ b/core/modules/entity_reference/lib/Drupal/entity_reference/Plugin/field/widget/AutocompleteWidgetBase.php
@@ -134,11 +134,12 @@ protected function getLabels(array $items) {
    */
   protected function createNewEntity($label, $uid) {
     $entity_manager = \Drupal::entityManager();
-    $target_type = $this->field['settings']['target_type'];
+    $target_type = $this->getFieldSetting('target_type');
+    $target_bundles = $this->getSelectionHandlerSetting('target_bundles');
 
     // Get the bundle.
-    if (!empty($this->instance['settings']['handler_settings']['target_bundles']) && count($this->instance['settings']['handler_settings']['target_bundles']) == 1) {
-      $bundle = reset($this->instance['settings']['handler_settings']['target_bundles']);
+    if (!empty($target_bundles) && count($target_bundles) == 1) {
+      $bundle = reset($target_bundles);
     }
     else {
       $bundles = entity_get_bundles($target_type);