diff --git a/tox.ini b/tox.ini
index 189f3f8..66d2b4e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -5,6 +5,7 @@ envlist=
 
 [testenv]
 changedir=testing
+passenv = USER USERNAME
 deps =
     pycmd
     setuptools_scm # to avoid .eggs