diff --git a/src/modules/users/providers/user.service.ts b/src/modules/users/providers/user.service.ts
index 94c8a3f..bbc2972 100644
--- a/src/modules/users/providers/user.service.ts
+++ b/src/modules/users/providers/user.service.ts
@@ -37,7 +37,7 @@ export class UserService {
       // firstName is required on the entity; use phone as a sensible default
       const _raw = {
         phone: normalizedPhone,
-        firstName: new Date().toISOString(),
+        firstName: '[نام]',
         // keep dates undefined (no value) — cast through unknown to satisfy TS typing
         birthDate: undefined,
         marriageDate: undefined,