diff --git a/lua/telescope/previewers/buffer_previewer.lua b/lua/telescope/previewers/buffer_previewer.lua
index de61944..4889399 100644
--- a/lua/telescope/previewers/buffer_previewer.lua
+++ b/lua/telescope/previewers/buffer_previewer.lua
@@ -563,7 +563,10 @@ previewers.vimgrep = defaulter(function(opts)
 
     define_preview = function(self, entry)
       -- builtin.buffers: bypass path validation for terminal buffers that don't have appropriate path
-      local has_buftype = entry.bufnr and vim.api.nvim_buf_get_option(entry.bufnr, "buftype") ~= "" or false
+      local has_buftype = entry.bufnr
+          and vim.api.nvim_buf_is_valid(entry.bufnr)
+          and vim.api.nvim_buf_get_option(entry.bufnr, "buftype") ~= ""
+        or false
       local p
       if not has_buftype then
         p = from_entry.path(entry, true)