diff --git a/tox.ini b/tox.ini
index f63c3ce5..d9bcb6b1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -5,7 +5,7 @@ envlist = py27,py36,py37,pypy
 
 [testenv]
 deps = -rrequirements-dev.txt
-passenv = GOROOT HOME HOMEPATH PROGRAMDATA TERM
+passenv = LOCALAPPDATA
 commands =
     coverage erase
     coverage run -m pytest {posargs:tests}