diff --git a/autoload/tagbar.vim b/autoload/tagbar.vim
index 3d602b7..d7e90ec 100644
--- a/autoload/tagbar.vim
+++ b/autoload/tagbar.vim
@@ -3042,6 +3042,7 @@ function! s:ShowInPreviewWin() abort
 
     call s:goto_win('P', 1)
     normal! zv
+    normal! zz
     call s:goto_win('p', 1)
 endfunction