diff --git a/module/project/model.php b/module/project/model.php
index 56a105da22..6c55309710 100644
--- a/module/project/model.php
+++ b/module/project/model.php
@@ -1520,7 +1520,7 @@ class projectModel extends model
             ->setDefault('team', $this->post->name)
             ->setDefault('lastEditedBy', $this->app->user->account)
             ->setDefault('lastEditedDate', helper::now())
-            ->setDefault('parent', 0)
+            ->setDefault('parent', $oldProject->parent)
             ->setIF($this->post->delta == 999, 'end', LONG_TIME)
             ->setIF($this->post->delta == 999, 'days', 0)
             ->setIF($this->post->begin == '0000-00-00', 'begin', '')