diff --git a/tools/states_to_dot.py b/tools/states_to_dot.py
index 4fa76fdcf3..2104a095cb 100755
--- a/tools/states_to_dot.py
+++ b/tools/states_to_dot.py
@@ -22,8 +22,6 @@ top_dir = os.path.abspath(os.path.join(os.path.dirname(__file__),
                                        os.pardir))
 sys.path.insert(0, top_dir)
 
-# To get this installed you may have to follow:
-# https://code.google.com/p/pydot/issues/detail?id=93 (until fixed).
 import pydot
 
 from ironic.common import states
diff --git a/tox.ini b/tox.ini
index 5b83d7f5a0..f4612cd0ae 100644
--- a/tox.ini
+++ b/tox.ini
@@ -18,6 +18,11 @@ commands =
 [tox:jenkins]
 downloadcache = ~/cache/pip
 
+[testenv:genstates]
+deps = {[testenv]deps}
+    pydot2
+commands = {toxinidir}/tools/states_to_dot.py -f {toxinidir}/doc/source/images/states.png
+
 [testenv:pep8]
 commands =
   flake8 {posargs}