diff --git a/tox.ini b/tox.ini
index 2fdd788b91..1d91694219 100644
--- a/tox.ini
+++ b/tox.ini
@@ -29,6 +29,7 @@ commands =
     flake8 ./container_config_scripts/
 
 [testenv:flake8]
+basepython = python3
 commands =
     flake8 ./container_config_scripts/