diff --git a/core/lib/Drupal/Core/Field/ConfigEntityReferenceItemBase.php b/core/lib/Drupal/Core/Field/ConfigEntityReferenceItemBase.php
index 302857c..fd61c3e 100644
--- a/core/lib/Drupal/Core/Field/ConfigEntityReferenceItemBase.php
+++ b/core/lib/Drupal/Core/Field/ConfigEntityReferenceItemBase.php
@@ -73,7 +73,7 @@ public function getPropertyDefinitions() {
    * since we cannot extend it.
    */
   public static function schema(FieldDefinitionInterface $field_definition) {
-    $definition = \Drupal::service('plugin.manager.field.field_type')->getDefinition($field_definition->getFieldType());
+    $definition = \Drupal::service('plugin.manager.field.field_type')->getDefinition($field_definition->getType());
     $module = $definition['provider'];
     module_load_install($module);
     $callback = "{$module}_field_schema";