diff --git a/Makefile b/Makefile
index 9785af2..be524e9 100644
--- a/Makefile
+++ b/Makefile
@@ -9,8 +9,7 @@ clean:
 release-pypi:
 	# avoid upload of stale builds
 	test ! -e dist
-	$(PYTHON) setup.py sdist
-	python setup.py bdist_wheel
+	$(PYTHON) setup.py sdist bdist_wheel
 	twine upload dist/*
 
 update-buildsupport: