diff --git a/module/execution/ui/treestory.html.php b/module/execution/ui/treestory.html.php
index d6ec8cc8c2..e21b4b140b 100644
--- a/module/execution/ui/treestory.html.php
+++ b/module/execution/ui/treestory.html.php
@@ -10,6 +10,8 @@ declare(strict_types=1);
  */
 namespace zin;
 
+$app->loadLang('story');
+
 /* Get min stage. */
 $minStage    = $story->stage;
 $stageList   = implode(',', array_keys($this->lang->story->stageList));