diff --git a/doc/source/configuration/tobiko.rst b/doc/source/configuration/tobiko.rst
index bc75c9689..1bca31844 100644
--- a/doc/source/configuration/tobiko.rst
+++ b/doc/source/configuration/tobiko.rst
@@ -3,4 +3,4 @@ tobiko.conf
 ===========
 
 .. show-options::
-   :config-file: etc/oslo-config-generator/tobiko.conf
+   :config-file: ../../etc/oslo-config-generator/tobiko.conf
diff --git a/tox.ini b/tox.ini
index ca0b50b39..3adf51566 100644
--- a/tox.ini
+++ b/tox.ini
@@ -152,7 +152,8 @@ deps = -r{toxinidir}/doc/requirements.txt
 basepython = {[docs]basepython}
 envdir = {[docs]envdir}
 deps = {[docs]deps}
-commands = sphinx-build -W -b html doc/source doc/build/html
+changedir = doc/source
+commands = sphinx-build -W -b html . ../build/html
 
 
 [testenv:linkcheck]