diff --git a/routes/storage.js b/routes/storage.js
index 813a5b9ccc05ec25a8fdee7cf843da130106fe49..d2d2661d3e11b13a9255cfa19b95082b65576540 100644
--- a/routes/storage.js
+++ b/routes/storage.js
@@ -51,7 +51,7 @@ router.post('/', function(req, res, next){
 
                         db.close();
                         res.statusCode = 201;
-                        res.send({"id":r.insertedId});
+                        res.send({"_id":r.insertedId});
 
                     }