diff --git a/src/js/controllerDetalles.js b/src/js/controllerDetalles.js
index 9355a91..71163b9 100644
--- a/src/js/controllerDetalles.js
+++ b/src/js/controllerDetalles.js
@@ -49,6 +49,7 @@ angular.module('focaCrearHojaRuta')
                         },
                     ],
                 }).then(function (res) {
+                    cisterna.disponible = cisterna.capacidad;
                     var newArt =
                     {
                         id: 0,