diff --git a/plugin/fugitive.vim b/plugin/fugitive.vim
index b844d75..a6c0a1d 100644
--- a/plugin/fugitive.vim
+++ b/plugin/fugitive.vim
@@ -1356,6 +1356,7 @@ function! s:diffthis()
     let w:fugitive_diff_restore .= &l:wrap ? ' wrap' : ' nowrap'
     let w:fugitive_diff_restore .= ' foldmethod=' . &l:foldmethod
     let w:fugitive_diff_restore .= ' foldcolumn=' . &l:foldcolumn
+    let w:fugitive_diff_restore .= ' foldlevel=' . &l:foldlevel
     if has('cursorbind')
       let w:fugitive_diff_restore .= (&l:cursorbind ? ' ' : ' no') . 'cursorbind'
     endif