diff --git a/library/Businessprocess/Web/Component/WtfTabs.php b/library/Businessprocess/Web/Component/WtfTabs.php
index 95b730e..8f2250f 100644
--- a/library/Businessprocess/Web/Component/WtfTabs.php
+++ b/library/Businessprocess/Web/Component/WtfTabs.php
@@ -4,6 +4,15 @@ namespace Icinga\Module\Businessprocess\Web\Component;
 
 use Icinga\Web\Widget\Tabs;
 
+/**
+ * Class WtfTabs
+ *
+ * TODO: Please remove this as soon as we drop support for PHP 5.3.x
+ *       This works around https://bugs.php.net/bug.php?id=43200 and fixes
+ *       https://github.com/Icinga/icingaweb2-module-businessprocess/issues/81
+ *
+ * @package Icinga\Module\Businessprocess\Web\Component
+ */
 class WtfTabs extends Tabs
 {
     public function render()