diff --git a/app/Controller/App.php b/app/Controller/App.php
index 2458800a8..86b060760 100644
--- a/app/Controller/App.php
+++ b/app/Controller/App.php
@@ -51,7 +51,7 @@ class App extends Base
     {
         $limit = 10;
 
-        if (! in_array($order, array('tasks.id', 'project_name', 'title'))) {
+        if (! in_array($order, array('tasks.id', 'project_name', 'title', 'date_due'))) {
             $order = 'tasks.id';
             $direction = 'ASC';
         }