diff --git a/runtime/compiler/irix5_c.vim b/runtime/compiler/irix5_c.vim
index 87bb9e1..f440e74 100644
--- a/runtime/compiler/irix5_c.vim
+++ b/runtime/compiler/irix5_c.vim
@@ -1,12 +1,14 @@
 " Vim compiler file
 " Compiler:	SGI IRIX 5.3 cc
 " Maintainer:	David Harrison <david_jr@users.sourceforge.net>
-" Last Change:	2004 Mar 27
+" Last Change:	2012 Apr 30
 
 if exists("current_compiler")
   finish
 endif
 let current_compiler = "irix5_c"
+let s:keepcpo= &cpo
+set cpo&vim
 
 if exists(":CompilerSet") != 2		" older Vim always used :setlocal
   command -nargs=* CompilerSet setlocal <args>
@@ -19,3 +21,6 @@
 		     \%-Z\ %p^,
 		     \-G\\s%#,
 		     \%-G%.%#
+
+let &cpo = s:keepcpo
+unlet s:keepcpo