diff --git a/lib/websocket_controller.js b/lib/websocket_controller.js
index 13140b3..9a08521 100644
--- a/lib/websocket_controller.js
+++ b/lib/websocket_controller.js
@@ -112,17 +112,18 @@ var WebsocketController = function(sockets, version) {
     machine.requestSettings();
   };
 
-  var comName = '';
-
-  var onGetPorts = function() {
+  var onGetPorts = function(cb) {
     sp_controller.listPorts(function (ports) {
 
-      ports.forEach(function(p) {
-        if(/Arduino/gi.test(p.manufacturer)) comName = p.comName;
-      });
-
       sockets.emit('ports', ports);
 
+      if( !cb)
+        return;
+
+      ports.forEach(function(p) {
+        if(/Arduino/gi.test(p.manufacturer)) cb(p.comName);
+      });
+
     });
   };
 
@@ -159,12 +160,12 @@ var WebsocketController = function(sockets, version) {
 
     if (connectedClients !== 0)
       return;
-      
+
     machine.disconnect();
 
     // turn off power
     setTimeout(function() {
-      power.writeSync(0); 
+      power.writeSync(0);
     }, 2000);
 
   };
@@ -195,10 +196,11 @@ var WebsocketController = function(sockets, version) {
       return;
     }
 
-    if(! comName) onGetPorts();
+    onGetPorts(function(cn) {
+      logger.log("trying to init port: " + cn);
+      sp_controller.initPortWithConfigs(cn, config);
+    });
 
-    logger.log("trying to init port: " + comName);
-    sp_controller.initPortWithConfigs(comName, config);
   };
 
   sockets.on('connection', function(socket) {