diff --git a/deluge/ui/gtkui/common.py b/deluge/ui/gtkui/common.py
index 72bbbb139..aceee3679 100644
--- a/deluge/ui/gtkui/common.py
+++ b/deluge/ui/gtkui/common.py
@@ -35,6 +35,8 @@
 
 """Common functions for various parts of gtkui to use."""
 
+import os
+
 import pygtk
 pygtk.require('2.0')
 import gtk, gtk.glade