diff --git a/timesheet/inc/class.timesheet_ui.inc.php b/timesheet/inc/class.timesheet_ui.inc.php
index 6847ec7064..30d9af68c9 100644
--- a/timesheet/inc/class.timesheet_ui.inc.php
+++ b/timesheet/inc/class.timesheet_ui.inc.php
@@ -239,6 +239,7 @@ class timesheet_ui extends timesheet_bo
 						if ($this->data['old_pm_id'])
 						{
 							Link::unlink2(0,TIMESHEET_APP,$content['link_to']['to_id'],0,'projectmanager',$this->data['old_pm_id']);
+							unset($content['link_to']['to_id']['projectmanager:'.$this->data['old_pm_id']]);
 							unset($this->data['old_pm_id']);
 						}
 					}