diff --git a/core/modules/user/lib/Drupal/user/UserBCDecorator.php b/core/modules/user/lib/Drupal/user/UserBCDecorator.php
index e6f4c5b..b65e9b2 100644
--- a/core/modules/user/lib/Drupal/user/UserBCDecorator.php
+++ b/core/modules/user/lib/Drupal/user/UserBCDecorator.php
@@ -21,7 +21,8 @@ public function &__get($name) {
     // Special handling for roles, as the return value is expected to be an
     // array.
     if ($name == 'roles') {
-      $this->decorated->getRoles();
+      $roles = $this->decorated->getRoles();
+      return $roles;
     }
     return parent::__get($name);
   }