diff --git a/examples/cpp/helloworld/CMakeLists.txt b/examples/cpp/helloworld/CMakeLists.txt
index b972e270fb5..384e88a5aac 100644
--- a/examples/cpp/helloworld/CMakeLists.txt
+++ b/examples/cpp/helloworld/CMakeLists.txt
@@ -146,7 +146,7 @@ include_directories("${CMAKE_CURRENT_BINARY_DIR}")
 # Targets greeter_[async_](client|server)
 foreach(_target
   greeter_client greeter_server
-  greeter_async_client greeter_async_server)
+  greeter_async_client greeter_async_client2 greeter_async_server)
   add_executable(${_target} "${_target}.cc"
     ${hw_proto_srcs}
     ${hw_grpc_srcs})