diff --git a/lib/robot.js b/lib/robot.js
index 18356c3..a167c73 100644
--- a/lib/robot.js
+++ b/lib/robot.js
@@ -359,7 +359,7 @@ Robot.prototype.startDevice = function(device, callback) {
   var log = this.log;
   var str = "Starting device '" + device.name + "'";
 
-  if (device.pin) {
+  if (device.pin || device.pin === 0) {
     str += " on pin " + device.pin;
   }