diff --git a/tox.ini b/tox.ini
index 0cb1c2005..562914ec9 100644
--- a/tox.ini
+++ b/tox.ini
@@ -87,13 +87,13 @@ commands =
 commands=
     rm -rf api-guide/build
     python setup.py build_sphinx
-    sphinx-build -W -b html api-guide/source api-guide/build
+    sphinx-build -W -b html api-guide/source api-guide/build/html
 
 [testenv:api-guide]
 # This environment is called from CI scripts to test and publish
 # the API Guide to developer.openstack.org.
 commands =
-  sphinx-build -W -b html -d api-guide/build/doctrees api-guide/source api-guide/build
+  sphinx-build -W -b html -d api-guide/build/doctrees api-guide/source api-guide/build/html
 
 [testenv:functional]
 # This tox env is purely to make local test development easier