diff --git a/Makefile b/Makefile
index c6d6c34..f26f689 100644
--- a/Makefile
+++ b/Makefile
@@ -1,2 +1,5 @@
-dist/pterotype.zip:
+dist/pterotype.zip: clean
 	mkdir -p dist && zip -r dist/pterotype.zip . -x \.git/\* dist/\* log/\*
+
+clean:
+	rm dist/pterotype.zip