diff --git a/runtime/ftplugin/c.vim b/runtime/ftplugin/c.vim
index 5c95438..371a78c 100644
--- a/runtime/ftplugin/c.vim
+++ b/runtime/ftplugin/c.vim
@@ -1,7 +1,7 @@
 " Vim filetype plugin file
 " Language:	C
 " Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last Change:	2016 Jun 12
+" Last Change:	2017 Sep 28
 
 " Only do this when not done yet for this buffer
 if exists("b:did_ftplugin")
@@ -35,8 +35,8 @@
 endif
 
 " When the matchit plugin is loaded, this makes the % command skip parens and
-" braces in comments.
-let b:match_words = &matchpairs . ',^\s*#\s*if\(\|def\|ndef\)\>:^\s*#\s*elif\>:^\s*#\s*else\>:^\s*#\s*endif\>'
+" braces in comments properly.
+let b:match_words = '^\s*#\s*if\(\|def\|ndef\)\>:^\s*#\s*elif\>:^\s*#\s*else\>:^\s*#\s*endif\>'
 let b:match_skip = 's:comment\|string\|character\|special'
 
 " Win32 can filter files in the browse dialog