diff --git a/runtime/syntax/jam.vim b/runtime/syntax/jam.vim
index 9fe6678..cbd99bb 100644
--- a/runtime/syntax/jam.vim
+++ b/runtime/syntax/jam.vim
@@ -1,7 +1,7 @@
 " Vim syntax file
 " Language:	JAM
 " Maintainer:	Ralf Lemke (ralflemk@t-online.de)
-" Last change:	09-10-2000
+" Last change:	2012 Jan 08 by Thilo Six
 
 " For version 5.x: Clear all syntax items
 " For version 6.x: Quit when a syntax file was already loaded
@@ -11,6 +11,9 @@
   finish
 endif
 
+let s:cpo_save = &cpo
+set cpo&vim
+
 if version >= 600
   setlocal iskeyword=@,48-57,_,-
 else
@@ -249,4 +252,6 @@
 
 let b:current_syntax = "jam"
 
+let &cpo = s:cpo_save
+unlet s:cpo_save
 " vim: ts=8