diff --git a/plugin/fzf.vim b/plugin/fzf.vim
index 1d1910b..a138c4f 100644
--- a/plugin/fzf.vim
+++ b/plugin/fzf.vim
@@ -254,7 +254,7 @@ endfunction
 function! s:defaults()
   let rules = copy(get(g:, 'fzf_colors', {}))
   let colors = join(map(items(filter(map(rules, 'call("s:get_color", v:val)'), '!empty(v:val)')), 'join(v:val, ":")'), ',')
-  return empty(colors) ? '' : ('--color='.colors)
+  return empty(colors) ? '' : fzf#shellescape('--color='.colors)
 endfunction
 
 function! s:validate_layout(layout)