1 files changed, 1 insertions, 0 deletions

diff --git a/tox.ini b/tox.ini
index 8c09e7df..7ce7ce41 100644
--- a/tox.ini
+++ b/tox.ini
@@ -2,4 +2,5 @@
 envlist = py26,py27,py33,py34,py35,pypy,pypy3
 
 [testenv]
+passenv=APPDATA USERPROFILE HOMEDRIVE HOMEPATH windir
 commands=python setup.py test