diff --git a/tox.ini b/tox.ini
index 4a83969..1003e7a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,6 +3,15 @@ skipsdist = true
 maxversion = 3.7.0
 isolated_build = True
 
+[testenv:test-sample-default]
+description = test the default sample
+basepython = python3
+changedir = samples/default
+setenv =
+    PIPENV_IGNORE_VIRTUALENVS = 1
+deps = pipenv
+commands =
+    python3 -m pipenv run sphinx-build
 
 [testenv:lint]
 description = lint with pylint