diff --git a/src/controllers/auth.js b/src/controllers/auth.js
index 0d569b337c..dd4ace6c40 100644
--- a/src/controllers/auth.js
+++ b/src/controllers/auth.js
@@ -37,7 +37,8 @@ api.auth = function(req, res, next) {
     if (_.isEmpty(user)) {
       return res.json(401, NO_USER_FOUND);
     }
-    res.locals.wasModified = +user._v !== +req.query._v;
+
+    res.locals.wasModified = req.query._v ? +user._v !== +req.query._v : true;
     res.locals.user = user;
     req.session.userId = user._id;
     return next();
diff --git a/src/controllers/user.js b/src/controllers/user.js
index c1373777d2..2570b05445 100644
--- a/src/controllers/user.js
+++ b/src/controllers/user.js
@@ -710,7 +710,14 @@ api.batchUpdate = function(req, res, next) {
     response = user.toJSON();
     response.wasModified = res.locals.wasModified;
     if (response._tmp && response._tmp.drop) response.wasModified = true;
-    res.json(200, response);
+
+    // Send the response to the server
+    if(response.wasModified){
+      res.json(200, response);
+    }else{
+      res.json(200, {_v: response._v});
+    }
+
     return console.log("Reply sent");
   });
 };
\ No newline at end of file