diff --git a/Theme/Backend/stock-counting.tpl.php b/Theme/Backend/stock-counting.tpl.php
index ab666ab..e825399 100644
--- a/Theme/Backend/stock-counting.tpl.php
+++ b/Theme/Backend/stock-counting.tpl.php
@@ -12,4 +12,4 @@
  */
 declare(strict_types=1);
 
-echo $this->getData('nav')->render();
+echo $this->data['nav']->render();