diff --git a/lua/guard-collection/linter/clang-tidy.lua b/lua/guard-collection/linter/clang-tidy.lua
index abd2cb2..65d7225 100644
--- a/lua/guard-collection/linter/clang-tidy.lua
+++ b/lua/guard-collection/linter/clang-tidy.lua
@@ -3,6 +3,7 @@ local lint = require('guard.lint')
 return {
   cmd = 'clang-tidy',
   args = { '--quiet' },
+  fname = true,
   parse = lint.from_regex({
     source = 'clang-tidy',
     regex = ':(%d+):(%d+):%s+(%w+):%s+(.-)%s+%[(.-)%]',
diff --git a/test/linter/helper.lua b/test/linter/helper.lua
index cbe1d39..5606a10 100644
--- a/test/linter/helper.lua
+++ b/test/linter/helper.lua
@@ -6,14 +6,17 @@ M.namespace = api.nvim_get_namespaces().Guard
 function M.test_with(ft, input)
   local cmd = require('guard.filetype')(ft).linter[1].cmd
   assert(vim.fn.executable(cmd) == 1)
+
   local bufnr = api.nvim_create_buf(true, false)
   vim.bo[bufnr].filetype = ft
   api.nvim_set_current_buf(bufnr)
   api.nvim_buf_set_lines(bufnr, 0, -1, false, input)
   -- To make linters happy
   vim.cmd('silent! write! /tmp/test.' .. ft)
+
   lint.do_lint(bufnr)
-  vim.wait(5000)
+  vim.wait(3000)
+  vim.print(vim.diagnostic.get(bufnr))
   return vim.diagnostic.get(bufnr)
 end