diff --git a/Lib/distutils/dir_util.py b/Lib/distutils/dir_util.py
index d687593..9c5cf33 100644
--- a/Lib/distutils/dir_util.py
+++ b/Lib/distutils/dir_util.py
@@ -5,6 +5,7 @@
 __revision__ = "$Id$"
 
 import os
+import errno
 from distutils.errors import DistutilsFileError, DistutilsInternalError
 from distutils import log