diff --git a/.vimrc b/.vimrc
index ea994e9..9857cab 100644
--- a/.vimrc
+++ b/.vimrc
@@ -66,6 +66,8 @@ function! s:C()
 """"""""""""""""""""""""""""""
 " md as markdown, instead of modula2
 autocmd BufNewFile,BufRead *.{md,mdwn,mkd,mkdn,mark*} set filetype=markdown
+" json as javascript
+autocmd BufNewFile,BufRead *.{json} set filetype=javascript
 
 """"""""""""""""""""""""""""""
 " http://inari.hatenablog.com/entry/2014/05/05/231307