diff --git a/Makefile b/Makefile
index 0e37574..a414774 100644
--- a/Makefile
+++ b/Makefile
@@ -37,7 +37,7 @@ build: venv
 	. venv/bin/activate; python setup.py bdist_wheel
 
 clean:
-	rm -rf build
+	rm -rf docs/build
 	rm -rf django_twilio.egg-info
 	rm -rf htmlcov
 	rm -rf dist