diff --git a/src/controllers/02-user-controller.ts b/src/controllers/02-user-controller.ts
index 1a789ff..b8b70ac 100644
--- a/src/controllers/02-user-controller.ts
+++ b/src/controllers/02-user-controller.ts
@@ -144,9 +144,9 @@ type UserUpdate = {
 
   namePrefix?: string | null;
   firstName?: string;
-  firstNameEN: string;
+  firstNameEN?: string;
   middleName?: string | null;
-  middleNameEN: string | null;
+  middleNameEN?: string | null;
   lastName?: string;
   lastNameEN?: string;
   gender?: string;