diff --git a/lua/lazyvim/plugins/extras/lang/clangd.lua b/lua/lazyvim/plugins/extras/lang/clangd.lua
index 33dc4ed4..19f3d1c2 100644
--- a/lua/lazyvim/plugins/extras/lang/clangd.lua
+++ b/lua/lazyvim/plugins/extras/lang/clangd.lua
@@ -60,18 +60,27 @@ return {
           keys = {
             { "<leader>ch", "<cmd>ClangdSwitchSourceHeader<cr>", desc = "Switch Source/Header (C/C++)" },
           },
-          root_dir = function(fname)
-            return require("lspconfig.util").root_pattern(
-              "Makefile",
-              "configure.ac",
-              "configure.in",
-              "config.h.in",
-              "meson.build",
-              "meson_options.txt",
-              "build.ninja"
-            )(fname) or require("lspconfig.util").root_pattern("compile_commands.json", "compile_flags.txt")(
-              fname
-            ) or require("lspconfig.util").find_git_ancestor(fname)
+          root_dir = function(bufnr, ondir)
+            local root_directory = function(fname)
+              return require("lspconfig.util").root_pattern(
+                "Makefile",
+                "configure.ac",
+                "configure.in",
+                "config.h.in",
+                "meson.build",
+                "meson_options.txt",
+                "build.ninja"
+              )(fname) or require("lspconfig.util").root_pattern(
+                "compile_commands.json",
+                "compile_flags.txt"
+              )(fname) or require("lspconfig.util").find_git_ancestor(fname)
+            end
+            if type(bufnr) == "string" then
+              return root_directory(bufnr)
+            else
+              local fname = vim.api.nvim_buf_get_name(bufnr)
+              ondir(root_directory(fname))
+            end
           end,
           capabilities = {
             offsetEncoding = { "utf-16" },