diff --git a/Casks/adobe-photoshop-lightroom.rb b/Casks/adobe-photoshop-lightroom.rb
index 34a44646519..1c1e71d3c06 100644
--- a/Casks/adobe-photoshop-lightroom.rb
+++ b/Casks/adobe-photoshop-lightroom.rb
@@ -1,4 +1,4 @@
-class AdobePhotoshopLightroom < Cask
+cask :v1 => 'adobe-photoshop-lightroom' do
   version '5.6'
   sha256 '794fa6b364985a6e3c830f78c9ad9c52c46208676bf01576976cbcfc818aa61a'