diff --git a/lib/cloudapi2.js b/lib/cloudapi2.js
index 736bf4c..28d5d44 100644
--- a/lib/cloudapi2.js
+++ b/lib/cloudapi2.js
@@ -405,7 +405,7 @@ CloudAPI.prototype.getMachine = function getMachine(id, cb) {
 
     var endpoint = sprintf('/%s/machines/%s', this.user, id);
     this._request(endpoint, function (err, req, res, body) {
-        callback(err, body, res);
+        cb(err, body, res);
     });
 };