diff --git a/tools/run_tests/run_tests.py b/tools/run_tests/run_tests.py
index c8e917f1171..6b27d6f875f 100755
--- a/tools/run_tests/run_tests.py
+++ b/tools/run_tests/run_tests.py
@@ -1127,6 +1127,7 @@ class Sanity(object):
             environ = {'TEST': 'true'}
             if _is_use_docker_child():
                 environ['CLANG_FORMAT_SKIP_DOCKER'] = 'true'
+                environ['CLANG_TIDY_SKIP_DOCKER'] = 'true'
             return [
                 self.config.job_spec(
                     cmd['script'].split(),