diff --git a/src/project/services/project-user.service.ts b/src/project/services/project-user.service.ts
index aa857d0..fb487c3 100644
--- a/src/project/services/project-user.service.ts
+++ b/src/project/services/project-user.service.ts
@@ -6,16 +6,25 @@ import { UserStatusEnum } from '@app/common/constants/user-status.enum';
 import { RoleType } from '@app/common/constants/role.type.enum';
 import { InviteUserRepository } from '@app/common/modules/Invite-user/repositiories';
 import { UserRepository } from '@app/common/modules/user/repositories';
+import { ProjectService } from './project.service';
 
 @Injectable()
 export class ProjectUserService {
   constructor(
     private readonly inviteUserRepository: InviteUserRepository,
     private readonly userRepository: UserRepository,
+    private readonly projectService: ProjectService,
   ) {}
 
   async getUsersByProject(uuid: string): Promise<BaseResponseDto> {
     try {
+      const project = await this.projectService.getProject(uuid);
+      if (!project) {
+        throw new HttpException(
+          `Project with ID ${uuid} not found`,
+          HttpStatus.NOT_FOUND,
+        );
+      }
       // Fetch invited users
       const invitedUsers = await this.inviteUserRepository.find({
         where: { project: { uuid }, isActive: true },