diff --git a/core/modules/entity_reference/lib/Drupal/entity_reference/EntityReferenceAutocomplete.php b/core/modules/entity_reference/lib/Drupal/entity_reference/EntityReferenceAutocomplete.php
index ccc1116..08a5252 100644
--- a/core/modules/entity_reference/lib/Drupal/entity_reference/EntityReferenceAutocomplete.php
+++ b/core/modules/entity_reference/lib/Drupal/entity_reference/EntityReferenceAutocomplete.php
@@ -85,7 +85,7 @@ public function getMatches(FieldDefinitionInterface $field_definition, $entity_t
 
     if (isset($string)) {
       // Get an array of matching entities.
-      $widget = $field_definition->getDisplayOptions('form');
+      $widget = entity_get_form_display($entity_type, $field_definition->bundle, 'default')->getComponent($field_definition->getName());
       $match_operator = !empty($widget['settings']['match_operator']) ? $widget['settings']['match_operator'] : 'CONTAINS';
       $entity_labels = $handler->getReferenceableEntities($string, $match_operator, 10);