diff --git a/autoload/fzf/vim.vim b/autoload/fzf/vim.vim
index ea2c8b6..f334b99 100644
--- a/autoload/fzf/vim.vim
+++ b/autoload/fzf/vim.vim
@@ -422,7 +422,7 @@ function! fzf#vim#gitfiles(args, ...)
   let wrapped = fzf#wrap({
   \ 'source':  'git -c color.status=always status --short',
   \ 'dir':     root,
-  \ 'options': '--ansi --multi --nth 2..,.. --prompt "GitFiles?> "'
+  \ 'options': '--ansi --multi --nth 2..,.. --prompt "GitFiles?> " --preview ''(git diff --color=always {-1} | sed 1,4d; cat {-1}) | head -500'''
   \})
   call s:remove_layout(wrapped)
   let wrapped.common_sink = remove(wrapped, 'sink*')