diff --git a/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/UuidItem.php b/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/UuidItem.php
index e91888d..50df9bb 100644
--- a/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/UuidItem.php
+++ b/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/UuidItem.php
@@ -7,7 +7,7 @@
 
 namespace Drupal\Core\Field\Plugin\Field\FieldType;
 
-use Drupal\Core\Field\FieldDefinitionInterface;
+use Drupal\Core\Field\FieldStorageDefinitionInterface;
 
 /**
  * Defines the 'uuid' entity field type.
@@ -45,7 +45,7 @@ public function applyDefaultValue($notify = TRUE) {
   /**
    * {@inheritdoc}
    */
-  public static function schema(FieldDefinitionInterface $field_definition) {
+  public static function schema(FieldStorageDefinitionInterface $field_definition) {
     $schema = parent::schema($field_definition);
     $schema['unique keys']['value'] = array('value');
     return $schema;