diff --git a/src/app/user-management/setup-user/setup-user.component.ts b/src/app/user-management/setup-user/setup-user.component.ts
index 9164ea5..2e0d6b3 100644
--- a/src/app/user-management/setup-user/setup-user.component.ts
+++ b/src/app/user-management/setup-user/setup-user.component.ts
@@ -234,7 +234,7 @@ export class SetupUserComponent implements OnInit {
       userId: ['', [
         Validators.required,
         Validators.minLength(5),
-        Validators.pattern('^[a-z0-9]*$')
+        Validators.pattern('^[a-zA-Z0-9]*$')
       ]],
       userFullname: ['', [
         Validators.required,