diff --git a/Models/KanbanCard.php b/Models/KanbanCard.php
index c917902..3b58830 100644
--- a/Models/KanbanCard.php
+++ b/Models/KanbanCard.php
@@ -210,7 +210,7 @@ class KanbanCard implements \JsonSerializable
         ];
     }
 
-    public static function createFromTask(Task $task) : KanbanCard
+    public static function createFromTask(Task $task) : self
     {
         $card = new self();
         $card->setRef($task->getId());