diff --git a/core/themes/classy/classy.theme b/core/themes/classy/classy.theme
index 3b64a69..03992be 100644
--- a/core/themes/classy/classy.theme
+++ b/core/themes/classy/classy.theme
@@ -14,7 +14,7 @@ function classy_library_info_alter(&$libraries, $extension) {
     $library_discovery = \Drupal::service('library.discovery');
     $library = $library_discovery->getLibraryByName('classy', 'user');
     foreach ($library['css'] as $css) {
-      $libraries['drupal.user']['css']['theme'][base_path() . $css['data']] = [];
+      $libraries['drupal.user']['css']['component'][base_path() . $css['data']] = [];
     }
   }
 }