diff --git a/vim/vimrc b/vim/vimrc
index 4f9e14c..a9a4e40 100644
--- a/vim/vimrc
+++ b/vim/vimrc
@@ -33,7 +33,7 @@ set expandtab shiftwidth=4 tabstop=4 "always use spaces
 
 autocmd FileType yaml,yml setlocal shiftwidth=2 softtabstop=2 expandtab
 au BufRead,BufNewFile */playbooks/*.yml set filetype=yaml.ansible
-au BufRead,BufNewFile rules.v[46] setlocal filetype=iptables
+au BufRead,BufNewFile rules.v[46] *.rules setlocal filetype=iptables
 
 if has('persistent_undo')
   set undodir=$HOME/.vim/undo