diff --git a/Casks/vagrant163.rb b/Casks/vagrant163.rb
index cc41452b9..a2c291785 100644
--- a/Casks/vagrant163.rb
+++ b/Casks/vagrant163.rb
@@ -1,4 +1,4 @@
-class Vagrant163 < Cask
+cask :v1 => 'vagrant163' do
   version '1.6.3'
   sha256 'ed1de41ca11a2251e4748a7a88fb46c3312780b7952f2248683f8ed2a007bc72'