diff --git a/doc/telescope.txt b/doc/telescope.txt
index 690298d..2388431 100644
--- a/doc/telescope.txt
+++ b/doc/telescope.txt
@@ -3678,6 +3678,8 @@ action_generate.which_key({opts})     *telescope.actions.generate.which_key()*
                                             "TelescopePromptBorder")
         {winblend}               (number)   pseudo-transparency of keymap
                                             hints floating window
+        {zindex}                 (number)   z-index of keymap hints floating
+                                            window (default: 100)
 
 
 
diff --git a/lua/telescope/actions/init.lua b/lua/telescope/actions/init.lua
index d0fa0f5..c8bef1d 100644
--- a/lua/telescope/actions/init.lua
+++ b/lua/telescope/actions/init.lua
@@ -1428,9 +1428,11 @@ actions.which_key = function(prompt_bufnr, opts)
       buffer = close_buffer,
       once = true,
       callback = function()
-        pcall(vim.api.nvim_win_close, km_win_id, true)
-        pcall(vim.api.nvim_win_close, km_opts.border.win_id, true)
-        require("telescope.utils").buf_delete(km_buf)
+        vim.schedule(function()
+          pcall(vim.api.nvim_win_close, km_win_id, true)
+          pcall(vim.api.nvim_win_close, km_opts.border.win_id, true)
+          utils.buf_delete(km_buf)
+        end)
       end,
     })
   end)