diff --git a/src/js/controller.js b/src/js/controller.js
index 85efe70..a81bbb1 100644
--- a/src/js/controller.js
+++ b/src/js/controller.js
@@ -107,7 +107,7 @@ angular.module('focaCrearCobranza') .controller('cobranzaController',
                                 .toISOString().slice(0, 19).replace('T', ' ') :
                             $scope.cobrosTabla[j].fechaPresentacion
                                 .toISOString().slice(0, 19).replace('T', ' '),
-                        IMP: $scope.cobrosTabla[j].importe,
+                        IMP: Math.abs($scope.cobrosTabla[j].importe),
                         RES: 0,//caja de tesorería
                         SUBM: 0
                     };