diff --git a/plugin/fugitive.vim b/plugin/fugitive.vim
index 6458d59..550b364 100644
--- a/plugin/fugitive.vim
+++ b/plugin/fugitive.vim
@@ -882,9 +882,6 @@ function! s:StageToggle(lnum1,lnum2) abort
       if filename ==# ''
         continue
       endif
-      if !exists('first_filename')
-        let first_filename = filename
-      endif
       execute lnum
       if filename =~ ' -> '
         let cmd = ['mv','--'] + reverse(split(filename,' -> '))
@@ -898,6 +895,9 @@ function! s:StageToggle(lnum1,lnum2) abort
       else
         let cmd = ['add','-A','--',filename]
       endif
+      if !exists('first_filename')
+        let first_filename = filename
+      endif
       let output .= call(repo.git_chomp_in_tree,cmd,s:repo())."\n"
     endfor
     if exists('first_filename')