diff --git a/tox.ini b/tox.ini
index a8edaa66b..1920c6e04 100644
--- a/tox.ini
+++ b/tox.ini
@@ -18,7 +18,8 @@ downloadcache = ~/cache/pip
 [testenv:pep8]
 deps=pep8==1.2
 commands = pep8 --exclude=*.pyc --repeat --show-source \
-           packstack/modules packstack/plugins tests setup.py
+           packstack/modules packstack/plugins tests setup.py \
+           packstack/version.py
 
 
 [testenv:cover]