diff --git a/script/clang-tidy b/script/clang-tidy
index b5905e0e4e..7e51e3192b 100755
--- a/script/clang-tidy
+++ b/script/clang-tidy
@@ -152,7 +152,9 @@ def run_tidy(executable, args, options, tmpdir, path_queue, lock, failed_files):
         if sys.stdout.isatty():
             invocation.append("--use-color")
 
-        invocation.append(f"--header-filter={os.path.abspath(basepath)}/.*")
+        invocation.append(
+            f"--header-filter=^{os.path.abspath(basepath)}/(?!.*\\.platformio/).*"
+        )
         invocation.append(os.path.abspath(path))
         invocation.append("--")
         invocation.extend(options)