diff --git a/server/helper/diario.js b/server/helper/diario.js
index fec23cd..a9c27e6 100644
--- a/server/helper/diario.js
+++ b/server/helper/diario.js
@@ -22,6 +22,8 @@ const diario = async () => {
 
     if (fechaFin.year() > now.year())
       fechaFinDate += 365 * (fechaFin.year() - now.year());
+    if (fechaFin.year() < now.year())
+      fechaFinDate -= 365 * (now.year() - fechaFin.year());
     if (fechaFinDate - now.dayOfYear() === 7) {
       let correoAlumno = correos.avisoTerminoAlumno(
         servicios[i].Usuario.nombre