diff --git a/module/task/model.php b/module/task/model.php
index 739a489e89..c094b66480 100644
--- a/module/task/model.php
+++ b/module/task/model.php
@@ -1422,7 +1422,7 @@ class taskModel extends model
             ->beginIF($type == 'delayed')->andWhere('t1.deadline')->gt('1970-1-1')->andWhere('t1.deadline')->lt(date(DT_DATE1))->andWhere('t1.status')->in('wait,doing')->fi()
             ->beginIF(is_array($type) or strpos(',all,undone,needconfirm,assignedtome,delayed,finishedbyme,myinvolved,', ",$type,") === false)->andWhere('t1.status')->in($type)->fi()
             ->beginIF($modules)->andWhere('t1.module')->in($modules)->fi()
-            ->orderBy('t1.`id`,' . $orderBy)
+            ->orderBy("t1.$orderBy")
             ->fetchAll('id');
 
         if(!empty($children))