diff --git a/src/testdir/test_cmdline.vim b/src/testdir/test_cmdline.vim
index 521312a..be688e3 100644
--- a/src/testdir/test_cmdline.vim
+++ b/src/testdir/test_cmdline.vim
@@ -3234,4 +3234,14 @@
   call delete('Xcmdline_redraw_tabline')
 endfunc
 
+func Test_wildmenu_pum_disable_while_shown()
+  set wildoptions=pum
+  set wildmenu
+  cnoremap <F2> <Cmd>set nowildmenu<CR>
+  call feedkeys(":sign \<Tab>\<F2>\<Esc>", 'tx')
+  call assert_equal(0, pumvisible())
+  cunmap <F2>
+  set wildoptions& wildmenu&
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab