diff --git a/Casks/middleclick-snowleopard.rb b/Casks/middleclick-snowleopard.rb
index 9418baa09..2739a35fe 100644
--- a/Casks/middleclick-snowleopard.rb
+++ b/Casks/middleclick-snowleopard.rb
@@ -1,5 +1,5 @@
 class MiddleclickSnowleopard < Cask
-  version 'latest'
+  version :latest
   sha256 :no_check
 
   url 'http://clement.beffa.org/labs/downloads/MiddleClick.zip'