diff --git a/tox.ini b/tox.ini
index 40cbe34e8..4a62405a1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -129,6 +129,7 @@ deps = flake8
 commands = flake8 {posargs}
 
 [testenv:fix_lint]
+basepython = python3.8
 description = format the code base to adhere to our styles, and complain about what we cannot do automatically
 passenv =
     PROGRAMDATA