diff --git a/Casks/middleclick-mountainlion.rb b/Casks/middleclick-mountainlion.rb
index 2cad4643d..38db9e770 100644
--- a/Casks/middleclick-mountainlion.rb
+++ b/Casks/middleclick-mountainlion.rb
@@ -1,4 +1,4 @@
-class MiddleclickMountainlion < Cask
+cask :v1 => 'middleclick-mountainlion' do
   version :latest
   sha256 :no_check