diff --git a/neovim/init.vim b/neovim/init.vim
index 7e8a429..57ddc2d 100644
--- a/neovim/init.vim
+++ b/neovim/init.vim
@@ -268,3 +268,5 @@ set secure
 
 autocmd FileType markdown setlocal spell
 autocmd FileType text     setlocal spell
+
+autocmd BufNewFile,BufRead *.arb set filetype=ruby