diff --git a/core/modules/options/lib/Drupal/options/Plugin/Field/FieldType/ListTextItem.php b/core/modules/options/lib/Drupal/options/Plugin/Field/FieldType/ListTextItem.php
index e8f0d4f..754d397 100644
--- a/core/modules/options/lib/Drupal/options/Plugin/Field/FieldType/ListTextItem.php
+++ b/core/modules/options/lib/Drupal/options/Plugin/Field/FieldType/ListTextItem.php
@@ -29,7 +29,7 @@ class ListTextItem extends ListItemBase {
   public static function propertyDefinitions(FieldDefinitionInterface $field_definition) {
     $properties['value'] = DataDefinition::create('string')
       ->setLabel(t('Text value'))
-      ->addConstraint(array('Length' => array('max' => 255)));
+      ->addConstraint('Length', array('max' => 255));
 
     return $properties;
   }