diff --git a/tox.ini b/tox.ini
index 3ec2a86c5..8a7c7eeaa 100644
--- a/tox.ini
+++ b/tox.ini
@@ -58,6 +58,8 @@ builtins = _
 exclude=.venv,.git,.tox,dist,doc,*openstack/common*,*lib/python*,*egg,build,releasenotes
 
 [testenv:genconfig]
+setenv =
+   HOME={env:HOME:/home/stack}
 commands = oslo-config-generator --config-file config-generator/undercloud.conf
 
 [testenv:releasenotes]