diff --git a/options.py b/options.py
index 07e705e..e863d5f 100644
--- a/options.py
+++ b/options.py
@@ -2,6 +2,9 @@ from ConfigParser import ConfigParser
 from os.path import exists
 from os import listdir, _exit
 import subprocess
+try:
+    import Cocoa # mac
+except: pass
 
 from PyQt4 import QtGui, QtCore
 
@@ -263,6 +266,8 @@ class Settings(QtGui.QDialog):
 		if code == 0:
 			subprocess.Popen(["./AO2XPupdat"])
 			_exit(0)
+        elif osname == "Darwin": # bundle
+            os.chdir(Cocoa.NSBundle.mainBundle().resourcePath()) # return to Resources folder
 
 	def onReloadAudio(self):
 		audio.free()