diff --git a/app/Model/SubtaskTaskConversionModel.php b/app/Model/SubtaskTaskConversionModel.php
index acc9c7416..88a4db27e 100644
--- a/app/Model/SubtaskTaskConversionModel.php
+++ b/app/Model/SubtaskTaskConversionModel.php
@@ -40,6 +40,7 @@ class SubtaskTaskConversionModel extends Base
 
         if ($task_id !== false) {
             $this->taskLinkModel->create($task_id, $subtask['task_id'], 6);
+            $this->tagDuplicationModel->duplicateTaskTags($parent_task['id'], $task_id);
             $this->subtaskModel->remove($subtask_id);
         }