diff --git a/tox.ini b/tox.ini
index 70d22015..87e8ece7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -10,6 +10,9 @@ setenv=
     VIRTUAL_ENV={envdir}
 install_command = pip install {opts} {packages}
 
+[testenv:venv]
+commands = {posargs}
+
 [testenv:docs]
 basepython = python3
 deps = -r{toxinidir}/doc/requirements.txt