diff --git a/core/modules/aggregator/aggregator.module b/core/modules/aggregator/aggregator.module
index 60e1d4a..a46971e 100644
--- a/core/modules/aggregator/aggregator.module
+++ b/core/modules/aggregator/aggregator.module
@@ -448,14 +448,14 @@ function aggregator_feed_load($fid) {
  * @param $cid
  *   The category id.
  *
- * @return
- *   An associative array describing the category.
+ * @return stdClass|null
+ *   An object containing all category properties.
  *
  * @deprecated Use Drupal\aggregator\CategoryStorageControllerInterface::load()
  *   instead.
  */
 function aggregator_category_load($cid) {
-  return (array) Drupal::service('aggregator.category.storage')->load($cid);
+  return Drupal::service('aggregator.category.storage')->load($cid);
 }
 
 /**