diff --git a/Casks/mplayerosxext.rb b/Casks/mplayer-osx-extended.rb
similarity index 87%
rename from Casks/mplayerosxext.rb
rename to Casks/mplayer-osx-extended.rb
index c48b6ea54..b6ce773f5 100644
--- a/Casks/mplayerosxext.rb
+++ b/Casks/mplayer-osx-extended.rb
@@ -1,4 +1,4 @@
-class MplayerOSXExtended < Cask
+class Mplayerosxext < Cask
   url 'https://mplayerosxext.googlecode.com/files/MPlayer-OSX-Extended_rev15-test2.zip'
   homepage 'http://www.mplayerosx.ch/'
   version 'rev15-test2'