diff --git a/plugin/matchindent.vim b/plugin/matchindent.vim
index ecfe4da..6722312 100644
--- a/plugin/matchindent.vim
+++ b/plugin/matchindent.vim
@@ -8,6 +8,9 @@
 highlight MatchIndentBadIndent ctermbg=red guibg=red
 autocmd BufNewFile,BufRead * call MatchIndent()
 function! MatchIndent()
+	if &filetype == 'help'
+		return
+	endif
 	" Zip through the first few lines and look for the three most common
 	" indenting schemes.
 	let n = 1