From e943f93a6a7078a823d84ef768859d93e7b1d7b5 Mon Sep 17 00:00:00 2001
From: Simon Hauser <Simon-Hauser@outlook.de>
Date: Wed, 24 May 2023 20:28:55 +0200
Subject: [PATCH] fix: make sure buf is valid before updating highlighting
 (#2524)

---
 lua/telescope/pickers.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lua/telescope/pickers.lua b/lua/telescope/pickers.lua
index e049b89..a78d50b 100644
--- a/lua/telescope/pickers.lua
+++ b/lua/telescope/pickers.lua
@@ -857,7 +857,7 @@ end
 function Picker:_reset_prefix_color(hl_group)
   self._current_prefix_hl_group = hl_group or nil
 
-  if self.prompt_prefix ~= "" then
+  if self.prompt_prefix ~= "" and a.nvim_buf_is_valid(self.prompt_bufnr) then
     vim.api.nvim_buf_add_highlight(
       self.prompt_bufnr,
       ns_telescope_prompt_prefix,