diff --git a/tox.ini b/tox.ini
index 15108b7..8288be3 100644
--- a/tox.ini
+++ b/tox.ini
@@ -12,6 +12,10 @@ commands = flake8
 [testenv:venv]
 commands = {posargs}
 
+[testenv:mkical]
+commands = mkdir -p ical
+           python arbiter/jobs.py -i ./ical -c
+
 [flake8]
 show-source = True
 exclude = .venv,.tox,dist,doc,*.egg