diff --git a/Casks/spectacle.rb b/Casks/spectacle.rb
index b6fcc095cb2..abe821cea60 100644
--- a/Casks/spectacle.rb
+++ b/Casks/spectacle.rb
@@ -1,10 +1,16 @@
 class Spectacle < Cask
-  version '0.8.8'
-  sha256 '7c7386e526cbabedb1e16f2e3366c7842712f590985fe9d4f57ff9c0a7854bcf'
+  if MacOS.version < :mavericks
+    version '0.8.6'
+    sha256 '3e367d2d7e6fe7d5f41d717d49cb087ba7432624b71ddd91c0cfa9d5a5459b7c'
+  else
+    version '0.8.8'
+    sha256 '7c7386e526cbabedb1e16f2e3366c7842712f590985fe9d4f57ff9c0a7854bcf'
+
+    appcast 'http://spectacleapp.com/updates/appcast.xml',
+            :sha256 => '5d75e2e07886ca135916e224b4b5c1468d9af1ea8ef355db33b28bff511fa6b2'
+  end
 
   url "https://s3.amazonaws.com/spectacle/downloads/Spectacle+#{version}.zip"
-  appcast 'http://spectacleapp.com/updates/appcast.xml',
-          :sha256 => '5d75e2e07886ca135916e224b4b5c1468d9af1ea8ef355db33b28bff511fa6b2'
   homepage 'http://spectacleapp.com/'
   license :mit