diff --git a/index.js b/index.js
index 37e80d9..62a0c4d 100644
--- a/index.js
+++ b/index.js
@@ -24,11 +24,13 @@ client.on('open', function open() {
         break;
 
       case 'comprobante' :
-
+        console.log('recibiendo comprobante')
         data.guardarComprobante(message.req).then(() => {
-          client.send('ok');
-        }).catch(err => {
-          client.send('bad');
+          console.log('se guardó');
+          client.send(JSON.stringify('ok'));
+        }).catch(() => {
+          console.log('no se guardó');
+          client.send(JSON.stringify('bad'));
         });
 
         break;