diff --git a/src/app/shared/header-publicidad/header-publicidad.component.ts b/src/app/shared/header-publicidad/header-publicidad.component.ts
index 853966c..2efd842 100644
--- a/src/app/shared/header-publicidad/header-publicidad.component.ts
+++ b/src/app/shared/header-publicidad/header-publicidad.component.ts
@@ -118,6 +118,7 @@ export class HeaderPublicidadComponent implements OnInit {
     });
     this.modalSinonimo.content.onClose
       .subscribe((res: any) => {
+        this.modalSinonimo = null;
         for (const a of articulo.productos) {
           for (const aRes of res.articulos) {
             if (a.idSinonimo === aRes.ID_SIN) {