diff --git a/lib/redmine.js b/lib/redmine.js
index 5a4cfec..d95731d 100644
--- a/lib/redmine.js
+++ b/lib/redmine.js
@@ -120,7 +120,7 @@ Redmine.prototype.request = function(method, path, params, callback) {
   var req = this._request(path, opts, function(err, res, body) {
     if (err) return callback(err);
 
-    if (res.statusCode != 200 && res.statusCode != 201) {
+    if (res.statusCode != 200 && res.statusCode != 201 && res.statusCode != 204) {
       var msg = {
         ErrorCode: res.statusCode,
         Message: res.statusMessage,