diff --git a/tox.ini b/tox.ini
index f4332a52f..9ab79d25d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -20,6 +20,7 @@ passenv =
     TOBIKO_*
     TOX_*
     PYTEST_*
+    HOME
 setenv =
     OS_LOG_CAPTURE = {env:OS_LOG_CAPTURE:true}
     OS_STDOUT_CAPTURE = {env:OS_STDOUT_CAPTURE:true}