From 2b4fa6b758cfd8794541f607cd94b3aa64b37d18 Mon Sep 17 00:00:00 2001
From: Laurent Eschenauer <laurent@eschenauer.be>
Date: Fri, 10 Jan 2014 09:29:05 +0100
Subject: [PATCH] Closes issue #3.

---
 lib/Controller.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Controller.js b/lib/Controller.js
index 387413f..02f0dda 100644
--- a/lib/Controller.js
+++ b/lib/Controller.js
@@ -55,7 +55,7 @@ function Controller(client, options) {
     // Register the listener on navdata for our control loop
     var self = this;
     client.on('navdata', function(d) {
-        if (!this._busy) {
+        if (!this._busy && d.demo) {
             this._busy = true;
             self._processNavdata(d);
             self._control(d);