diff --git a/src/oracle/user-maintenance/user-maintenance.service.ts b/src/oracle/user-maintenance/user-maintenance.service.ts
index 0541a1f..4b76a1b 100644
--- a/src/oracle/user-maintenance/user-maintenance.service.ts
+++ b/src/oracle/user-maintenance/user-maintenance.service.ts
@@ -395,7 +395,7 @@ export class UserMaintenanceService {
             const mailRes = await this.authService.sendMail({ P_TO: body.P_USERID, P_MAIL_TYPE: MailTypeDTO.REGISTER_CLIENT })
 
             if (mailRes.statusCode !== 200) {
-                return new InternalServerException();
+                throw new InternalServerException();
             }
 
             return { statusCode: 201, message: "Client registration initiated successfully", ...fres[0] };