diff --git a/src/abono-ticket/abono-ticket.service.ts b/src/abono-ticket/abono-ticket.service.ts
index 89153b3..e648f98 100644
--- a/src/abono-ticket/abono-ticket.service.ts
+++ b/src/abono-ticket/abono-ticket.service.ts
@@ -3,6 +3,7 @@ import { CreateAbonoTicketDto } from './dto/create-abono-ticket.dto';
 import { AbonoTicket } from './entities/abono-ticket.entity';
 import { Repository } from 'typeorm';
 import { InjectRepository } from '@nestjs/typeorm';
+import { Transaccion } from 'src/transaccion/entities/transaccion.entity';
 
 @Injectable()
 export class AbonoTicketService {
@@ -11,7 +12,7 @@ export class AbonoTicketService {
     private readonly abonoTicketRepository: Repository<AbonoTicket>,
   ) {}
 
-  async findByTransaccion(transaccion) {
+  async findByTransaccion(transaccion: Transaccion): Promise<AbonoTicket> {
     const abonoTicket = await this.abonoTicketRepository.findOne({
       where: { transaccion },
     });
diff --git a/src/operations/operations.service.ts b/src/operations/operations.service.ts
index 0c4974f..de43b99 100644
--- a/src/operations/operations.service.ts
+++ b/src/operations/operations.service.ts
@@ -29,8 +29,9 @@ export class OperationsService {
     const newSaldo = this.personaService.updateSaldo(idPersona, cantidad);
 
     const abonoTicket = this.abonoTicket.findByTransaccion(
-      (await responseTransaccion).idTransaccion,
+      await responseTransaccion,
     );
+
     const pagoKiosco = {
       idTransaccion: (await responseTransaccion).idTransaccion,
       monto: cantidad,