diff --git a/tox.ini b/tox.ini
index eee86dd5cf53b59a5f62df8c58b3149edc9f69f3..da0d84e3561eef3213e4e35ad37dcbaa538b4e96 100644
--- a/tox.ini
+++ b/tox.ini
@@ -6,7 +6,7 @@ envlist = default
 whitelist_externals = poetry
     pytest
 skip_install = true
-commands = pytest --pylama --cov=biscuit biscuit/core/
+commands = pytest --pylama --cov=biscuit {posargs} biscuit/core/
 setenv =
     TEST_SCREENSHOT_PATH = {env:TEST_SCREENSHOT_PATH:}
     TEST_SELENIUM_HUB = {env:TEST_SELENIUM_HUB:}