diff --git a/Backend/MotoresArgentinosV2.Infrastructure/Services/AvisosLegacyService.cs b/Backend/MotoresArgentinosV2.Infrastructure/Services/AvisosLegacyService.cs
index c6ae707..baca8fb 100644
--- a/Backend/MotoresArgentinosV2.Infrastructure/Services/AvisosLegacyService.cs
+++ b/Backend/MotoresArgentinosV2.Infrastructure/Services/AvisosLegacyService.cs
@@ -166,7 +166,7 @@ public class AvisosLegacyService : IAvisosLegacyService
                 new SqlParameter("@codigopostal", dto.CodigoPostal),
                 new SqlParameter("@telefono", dto.Telefono),
                 new SqlParameter("@email", dto.Email),
-                new SqlParameter("@id_tipoiva", dto.IdTipoiva),
+                new SqlParameter("@id_tipoiva", 5), // Siempre debe ser 5 para inserciones web
                 new SqlParameter("@porcentaje_iva1", dto.PorcentajeIva1),
                 new SqlParameter("@porcentaje_iva2", dto.PorcentajeIva2),
                 new SqlParameter("@porcentaje_percepcion", dto.PorcentajePercepcion),