diff --git a/Casks/jdownloader2.rb b/Casks/jdownloader2.rb
index c8c6e1812..545463a3e 100644
--- a/Casks/jdownloader2.rb
+++ b/Casks/jdownloader2.rb
@@ -2,7 +2,7 @@ cask :v1 => 'jdownloader2' do
   version :latest
   sha256 :no_check
 
-  if MacOS.version < :lion
+  if MacOS.release < :lion
     url 'http://installer.jdownloader.org/JD2SilentSetup_10_6orlower.dmg'
   else
     url 'http://installer.jdownloader.org/JD2SilentSetup.dmg'