diff --git a/Makefile b/Makefile
index 48741f1..6f7d059 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,6 @@
-
 all:
 
 clean:
-	rm -rf docs
 	rm -rf log
 	find . -type f -name "*.pyc" -exec rm -f {} \;
 
@@ -12,3 +10,5 @@ docs:
 docs-pdf:
 	epydoc --pdf -o docs ./lib
 
+docs-clean:
+	rm -rf docs