diff --git a/makefile b/makefile
index 04c1b0c..3128003 100644
--- a/makefile
+++ b/makefile
@@ -22,7 +22,8 @@ help:
 .PHONY: sphinx bundle
 
 clean:
-	-rm -rf build/*
+	-rm -rf build
+	-rm -rf bundle
 
 sphinx:
 	$(MAKE) singlehtml latexpdf