diff --git a/autoload/fzf/vim.vim b/autoload/fzf/vim.vim
index 7891adf..ab61cb3 100644
--- a/autoload/fzf/vim.vim
+++ b/autoload/fzf/vim.vim
@@ -497,7 +497,7 @@ function! fzf#vim#gitfiles(args, ...)
   let wrapped = fzf#wrap({
   \ 'source':  'git -c color.status=always status --short --untracked-files=all',
   \ 'dir':     root,
-  \ 'options': '--ansi --multi --nth 2..,.. --tiebreak=index --prompt "GitFiles?> " --preview ''sh -c "(git diff --color=always -- {-1} | sed 1,4d; cat {-1}) | head -500"'''
+  \ 'options': ['--ansi', '--multi', '--nth', '2..,..', '--tiebreak=index', '--prompt', 'GitFiles?> ', '--preview', 'sh -c "(git diff --color=always -- {-1} | sed 1,4d; cat {-1}) | head -500"']
   \})
   call s:remove_layout(wrapped)
   let wrapped.common_sink = remove(wrapped, 'sink*')