diff --git a/tox.ini b/tox.ini
index f028c0e5a..abdce0b5b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -17,6 +17,7 @@ setenv =
     cov: PYTEST_ADDOPTS=--cov --cov-report xml --cov-report=html --cov-report=
 passenv = PYTHON DISPLAY XAUTHORITY HOME USERNAME USER CI XDG_* QUTE_* DOCKER QT_QUICK_BACKEND PY_COLORS
 basepython =
+    py: {env:PYTHON:python3}
     py3: {env:PYTHON:python3}
     py36: {env:PYTHON:python3.6}
     py37: {env:PYTHON:python3.7}