diff --git a/Casks/steermouse.rb b/Casks/steermouse.rb
index adb85e816..9f0e56594 100644
--- a/Casks/steermouse.rb
+++ b/Casks/steermouse.rb
@@ -1,4 +1,4 @@
-class Steermouse < Cask
+cask :v1 => 'steermouse' do
   version '4.1.9'
   sha256 '4704aa8b01842c2e619db546fa045e515ee7e3a94d9d339f4650f2f8684b1280'