diff --git a/tox.ini b/tox.ini
index ddda3b36a..b36370d95 100644
--- a/tox.ini
+++ b/tox.ini
@@ -8,7 +8,6 @@ envlist = py34,misc,pep257,pyflakes,pep8,mccabe,pylint,pyroma,check-manifest
 
 [testenv]
 # https://bitbucket.org/hpk42/tox/issue/246/ - only needed for Windows though
-basepython = python3
 setenv =
     QT_QPA_PLATFORM_PLUGIN_PATH={envdir}/Lib/site-packages/PyQt5/plugins/platforms
     PYTEST_QT_API=pyqt5