diff --git a/tools/run_tests/python_utils/filter_pull_request_tests.py b/tools/run_tests/python_utils/filter_pull_request_tests.py
index 98a17fd1a7c..5072df1b9bf 100644
--- a/tools/run_tests/python_utils/filter_pull_request_tests.py
+++ b/tools/run_tests/python_utils/filter_pull_request_tests.py
@@ -70,6 +70,7 @@ _WHITELIST_DICT = {
     '^doc/': [],
     '^examples/': [],
     '^include/grpc\+\+/': [_CPP_TEST_SUITE],
+    '^include/grpcpp/': [_CPP_TEST_SUITE],
     '^summerofcode/': [],
     '^src/cpp/': [_CPP_TEST_SUITE],
     '^src/csharp/': [_CSHARP_TEST_SUITE],