diff --git a/runtime/ftplugin/eruby.vim b/runtime/ftplugin/eruby.vim
index 7c19a09..870f45e 100644
--- a/runtime/ftplugin/eruby.vim
+++ b/runtime/ftplugin/eruby.vim
@@ -1,7 +1,7 @@
 " Vim filetype plugin
 " Language:		eRuby
 " Maintainer:		Tim Pope <vimNOSPAM@tpope.org>
-" Last Change:		2010 Apr 15
+" Last Change:		2012 Mar 11
 " URL:			http://vim-ruby.rubyforge.org
 " Anon CVS:		See above site
 " Release Coordinator:	Doug Kearns <dougkearns@gmail.com>
@@ -100,5 +100,6 @@
       \ " | unlet! b:browsefilter b:match_words | " . s:undo_ftplugin
 
 let &cpo = s:save_cpo
+unlet s:save_cpo
 
 " vim: nowrap sw=2 sts=2 ts=8: