--- a/rakelib/install.rake	Tue May 24 12:03:26 2016 +0100
+++ b/rakelib/install.rake	Tue May 24 14:28:08 2016 +0100
@@ -20,7 +20,7 @@
   task :'post'
   task :'main' => :'setup' do 
     if File.exist? ARTIFACTS_DIR / BUILD_NAME then
-      zip ARTIFACTS_DIR / BUILD_NAME, move: true
+      zip ARTIFACTS_DIR / BUILD_NAME, remove: true
     end
   end
 end