diff --git a/core/lib/Drupal/Core/Config/Entity/ConfigEntityListBuilder.php b/core/lib/Drupal/Core/Config/Entity/ConfigEntityListBuilder.php
index 7ee62a0..817777b 100644
--- a/core/lib/Drupal/Core/Config/Entity/ConfigEntityListBuilder.php
+++ b/core/lib/Drupal/Core/Config/Entity/ConfigEntityListBuilder.php
@@ -26,7 +26,7 @@ public function load() {
 
     // Sort the entities using the entity class's sort() method.
     // See \Drupal\Core\Config\Entity\ConfigEntityBase::sort().
-    uasort($entities, array($this->entityType->getClass(), 'sort'));
+    @uasort($entities, array($this->entityType->getClass(), 'sort'));
     return $entities;
   }