diff --git a/tox.ini b/tox.ini
index cd571b6..a3f3dd7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,7 +3,7 @@ envlist = py37,py38,py39,py310,py311,py312,docs,style
 
 [testenv]
 deps = --editable .[test]
-commands = pytest {posargs:--cov}
+commands = coverage run -m pytest
 
 [testenv:docs]
 deps = sphinx