diff --git a/Casks/obsidian-menu-bar-mountain-lion.rb b/Casks/obsidian-menu-bar-mountain-lion.rb
index c463294c6bf..85745d30e01 100644
--- a/Casks/obsidian-menu-bar-mountain-lion.rb
+++ b/Casks/obsidian-menu-bar-mountain-lion.rb
@@ -5,6 +5,6 @@ class ObsidianMenuBarMountainLion < Cask
   url 'http://www.obsidianmenubar.com/downloads/Obsidian%20Menu%20Bar%2010.8.dmg'
   homepage 'http://www.obsidianmenubar.com'
 
-  install 'Obsidian Menu Bar.pkg'
+  pkg 'Obsidian Menu Bar.pkg'
   # uninstall :script => 'Restore OS X Menu Bar.pkg'
 end