diff --git a/src/controllers/03-employee-controller.ts b/src/controllers/03-employee-controller.ts
index 74886f2..9567fee 100644
--- a/src/controllers/03-employee-controller.ts
+++ b/src/controllers/03-employee-controller.ts
@@ -68,7 +68,7 @@ type EmployeeCreate = {
 
   status?: Status;
 
-  nrcNo?: string;
+  nrcNo?: string | null;
 
   dateOfBirth: Date;
   gender: string;