diff --git a/autoload/fugitive.vim b/autoload/fugitive.vim
index 0b2d62b..33d931d 100644
--- a/autoload/fugitive.vim
+++ b/autoload/fugitive.vim
@@ -3633,9 +3633,9 @@ for s:colortype in ['advice', 'branch', 'diff', 'grep', 'interactive', 'pager',
   call extend(s:disable_colors, ['-c', 'color.' . s:colortype . '=false'])
 endfor
 unlet s:colortype
-function! fugitive#Command(line1, line2, range, bang, mods, arg) abort
+function! fugitive#Command(line1, line2, range, bang, mods, arg, ...) abort
   exe s:VersionCheck()
-  let dir = s:Dir()
+  let dir = call('s:Dir', a:000)
   if len(dir)
     exe s:DirCheck(dir)
   endif