1 files changed, 2 insertions, 0 deletions
diff --git a/tox.ini b/tox.ini
index c87f166..37041a9 100644
--- a/tox.ini
+++ b/tox.ini
@@ -2,6 +2,8 @@
 envlist = {pypy,py26,py27,py33,py34}{,-cryptographyMaster},pypi-readme,check-manifest
 
 [testenv]
+passenv =
+    LC_ALL
 deps =
     setuptools>=7.0  # older setuptools pollute CWD with egg files of dependencies
     coverage