diff --git a/contrib/vim/syntax/nginx.vim b/contrib/vim/syntax/nginx.vim
index 1b52d48..6828cd3 100644
--- a/contrib/vim/syntax/nginx.vim
+++ b/contrib/vim/syntax/nginx.vim
@@ -5,6 +5,9 @@
   finish
 end
 
+let s:save_cpo = &cpo
+set cpo&vim
+
 " general syntax
 
 if has("patch-7.4.1142")
@@ -2485,4 +2488,7 @@
 hi def link ngxListenOptions Keyword
 hi def link ngxListenOptionsDeprecated Error
 
+let &cpo = s:save_cpo
+unlet s:save_cpo
+
 let b:current_syntax = "nginx"