diff --git a/tox.ini b/tox.ini
index 9a45f4b0..92123274 100644
--- a/tox.ini
+++ b/tox.ini
@@ -12,7 +12,7 @@ downloadcache = {toxworkdir}/_download
 
 [testenv:pep8]
 commands =
-    flake8 openstack-docs-theme
+    flake8 openstackdocstheme
 
 [testenv:venv]
 commands = {posargs}