diff --git a/doc/source/conf.py b/doc/source/conf.py
index d3b84fd21f..7487c6ac71 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -45,7 +45,8 @@ ROOT = os.path.abspath(os.path.join(BASE_DIR, "..", ".."))
 sys.path.insert(0, ROOT)
 
 # This is required for ReadTheDocs.org, but isn't a bad idea anyway.
-os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'openstack_dashboard.settings')
+os.environ.setdefault('DJANGO_SETTINGS_MODULE',
+                      'openstack_dashboard.test.settings')
 
 django.setup()
 
diff --git a/tox.ini b/tox.ini
index 7def53269d..9ca96c3ff0 100644
--- a/tox.ini
+++ b/tox.ini
@@ -56,6 +56,9 @@ basepython = python3
 deps =
   {[testenv]deps}
   -r{toxinidir}/doc/requirements.txt
+setenv =
+  {[testenv]setenv}
+  DJANGO_SETTINGS_MODULE=openstack_dashboard.test.settings
 commands =
   flake8 {posargs}
   {envpython} {toxinidir}/manage.py extract_messages --verbosity 0 --check-only