diff --git a/core/includes/theme.inc b/core/includes/theme.inc
index 3ffbfbd..ea0bdd0 100644
--- a/core/includes/theme.inc
+++ b/core/includes/theme.inc
@@ -1846,8 +1846,5 @@ function drupal_common_theme() {
  * @see progress.js
  */
 function template_preprocess_progress_bar(&$variables) {
-  $variables['#attached']['js'][] = array(
-    'type' => 'setting',
-    'data' => array('progressBarAnimate' => $variables['animate']),
-  );
+  $variables['#attached']['drupalSettings']['progressBarAnimate'] = $variables['animate'];
 }