diff --git a/module/task/control.php b/module/task/control.php
index 6b5f6f909c..c36105d754 100644
--- a/module/task/control.php
+++ b/module/task/control.php
@@ -363,7 +363,7 @@ class task extends control
         $noclosedProjects = $this->project->getPairs('noclosed,nocode');
         unset($noclosedProjects[$this->view->project->id]);
         $this->view->projects = array($this->view->project->id => $this->view->project->name) + $noclosedProjects;
-        $tasks = $this->task->getParentTaskPairs($this->view->project->id);
+        $tasks = $this->task->getParentTaskPairs($this->view->project->id, $this->view->task->parent);
         if(isset($tasks[$taskID])) unset($tasks[$taskID]);
 
         if(!isset($this->view->members[$this->view->task->assignedTo])) $this->view->members[$this->view->task->assignedTo] = $this->view->task->assignedTo;
diff --git a/module/task/model.php b/module/task/model.php
index 74510c50d2..3c678ff1ff 100644
--- a/module/task/model.php
+++ b/module/task/model.php
@@ -1878,16 +1878,18 @@ class taskModel extends model
      * Get project parent tasks pairs.
      *
      * @param  int    $projectID
+     * @param  string $append
      * @access public
      * @return array
      */
-    public function getParentTaskPairs($projectID)
+    public function getParentTaskPairs($projectID, $append = '')
     {
         $tasks = $this->dao->select('id, name')->from(TABLE_TASK)
             ->where('deleted')->eq(0)
             ->andWhere('parent')->le(0)
             ->andWhere('status')->notin('cancel,closed')
             ->andWhere('project')->eq($projectID)
+            ->beginIF($append)->orWhere('id')->in($append)->fi()
             ->fetchPairs();
 
         foreach($tasks as $id => $name)