diff --git a/app/Service/ProjectService.php b/app/Service/ProjectService.php
index 3dc6cfbd..ec5ab87f 100644
--- a/app/Service/ProjectService.php
+++ b/app/Service/ProjectService.php
@@ -271,7 +271,7 @@ class ProjectService extends BaseService
      * @return mixed
      * @throws Exception
      */
-    public function changeType($id, $type)
+    public function changeType($id, $type): mixed
     {
         $field = ProjectFieldTypeEnum::from($type)->description();
         $this->selectField  = [$field];