diff --git a/app/Models/Checkoutable.php b/app/Models/Checkoutable.php
index ee8dbcfa5970..d674c7dc7413 100644
--- a/app/Models/Checkoutable.php
+++ b/app/Models/Checkoutable.php
@@ -13,7 +13,7 @@ public function __construct(
         public string $name,
         public string $type,
         public object $acceptance,
-        public object $assignee,
+        public readonly User|Asset|Location|null $assignee,
         public readonly string $plain_text_category,
         public readonly string $plain_text_model,
         public readonly string $plain_text_name,