diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6562de1a6b6..ee42edf302b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -16212,6 +16212,7 @@ target_include_directories(cancel_ares_query_test
   PRIVATE ${_gRPC_CARES_INCLUDE_DIR}
   PRIVATE ${_gRPC_GFLAGS_INCLUDE_DIR}
   PRIVATE ${_gRPC_ADDRESS_SORTING_INCLUDE_DIR}
+  PRIVATE ${_gRPC_NANOPB_INCLUDE_DIR}
   PRIVATE third_party/googletest/googletest/include
   PRIVATE third_party/googletest/googletest
   PRIVATE third_party/googletest/googlemock/include