diff --git a/src/js/controller.js b/src/js/controller.js
index fac0302..ddff2c8 100644
--- a/src/js/controller.js
+++ b/src/js/controller.js
@@ -96,6 +96,17 @@ angular.module('focaCrearRemito').controller('remitoController',
             }, true);
 
             $scope.seleccionarNotaPedido = function () {
+                if ($scope.remitoIsDirty) {
+                    focaModalService.confirm("¿Desea continuar? Se perderan los cambios")
+                        .then(function () {
+                            $scope.getNotaPedidoModal();
+                        });
+                } else {
+                    $scope.getNotaPedidoModal()
+                }
+            }
+
+            $scope.getNotaPedidoModal = function () {
                 if (varlidarRemitoFacturado()) {
                     var modalInstance = $uibModal.open(
                         {