diff --git a/src/app/modules/seleccion-articulos/seleccion-articulos.component.ts b/src/app/modules/seleccion-articulos/seleccion-articulos.component.ts
index d5e9147..0283384 100644
--- a/src/app/modules/seleccion-articulos/seleccion-articulos.component.ts
+++ b/src/app/modules/seleccion-articulos/seleccion-articulos.component.ts
@@ -127,13 +127,13 @@ export class SeleccionArticulosComponent implements OnInit, AfterViewInit, OnDes
   getSinonimos(articulo: IArticulo) {
     this.sinonimoService.getSinonimos(articulo.CodSec, articulo.CodArt)
       .subscribe((res: any[]) => {
-        const sinonimos = [];
-        const gruposArticulos = _.groupBy(res[0].productos, 'ID_SIN');
-        Object.keys(gruposArticulos).forEach(key => {
-          sinonimos.push({ productos: gruposArticulos[key] });
-        });
-        res = sinonimos;
         if (res.length) {
+          const sinonimos = [];
+          const gruposArticulos = _.groupBy(res[0].productos, 'ID_SIN');
+          Object.keys(gruposArticulos).forEach(key => {
+            sinonimos.push({ productos: gruposArticulos[key] });
+          });
+          res = sinonimos;
           this.openModalSinonimos(res, articulo);
         } else {
           this.articuloService.setArticulo(articulo);
diff --git a/src/app/shared/promocion/promocion.component.ts b/src/app/shared/promocion/promocion.component.ts
index 741277a..66995d3 100644
--- a/src/app/shared/promocion/promocion.component.ts
+++ b/src/app/shared/promocion/promocion.component.ts
@@ -9,6 +9,7 @@ import { InactiveScreenService } from 'src/app/services/inactive-screen/inactive
 import { SinonimoService } from 'src/app/services/sinonimo/sinonimo.service';
 import { ISinonimo } from 'src/app/interfaces/ISinonimo';
 import { SinonimoComponent } from '../sinonimo/sinonimo.component';
+import * as _ from 'lodash';
 
 @Component({
   selector: 'app-promocion',
@@ -40,6 +41,12 @@ export class PromocionComponent implements OnInit {
     this.sinonimoService.getSinonimos(promo.CodSec, promo.CodArt)
       .subscribe((res: ISinonimo[]) => {
         if (res.length) {
+          const sinonimos = [];
+          const gruposArticulos = _.groupBy(res[0].productos, 'ID_SIN');
+          Object.keys(gruposArticulos).forEach(key => {
+            sinonimos.push({ productos: gruposArticulos[key] });
+          });
+          res = sinonimos;
           this.openModalSinonimos(res, promo);
         } else {
           promo.cantidad = 1;