diff --git a/lib/callbacks/auth.js b/lib/callbacks/auth.js
index 4f96212..38200a4 100644
--- a/lib/callbacks/auth.js
+++ b/lib/callbacks/auth.js
@@ -36,8 +36,9 @@ var auth = {
   ack: function (req, res) {
     return function (error, data) {
       if (!error) {
-        res.send(data);
-        if (!data) {
+        if (data) {
+          res.send(data);
+        } else {
           auth.onMessage(req, res);
         }
         return;