diff --git a/Makefile b/Makefile
index 8fbbfb9..4d774f1 100644
--- a/Makefile
+++ b/Makefile
@@ -34,6 +34,7 @@
 
 dist:
 	@ echo "Creating python source distribution"
+	rm -r dist/
 	python setup.py sdist
 
 upload: dist