diff --git a/core/modules/field/field.module b/core/modules/field/field.module
index d59e418..290617d 100644
--- a/core/modules/field/field.module
+++ b/core/modules/field/field.module
@@ -13,7 +13,7 @@
 use Drupal\Core\Routing\RouteMatchInterface;
 use Drupal\Core\Url;
 use Drupal\field\Entity\FieldStorageConfig;
-use Drupal\Component\Utility\String;
+use Drupal\Component\Utility\SafeMarkup;
 
 /*
  * Load all public Field API functions. Drupal currently has no
@@ -378,7 +378,7 @@ function field_tokens($type, $tokens, array $data = array(), array $options = ar
     foreach ($tokens as $name => $original) {
       switch ($name) {
         case 'name':
-          $replacements[$original] = $sanitize ? String::checkPlain($field_storage->getName()) : $field_storage->getName();
+          $replacements[$original] = $sanitize ? SafeMarkup::checkPlain($field_storage->getName()) : $field_storage->getName();
           break;
       }
     }