1 files changed, 1 insertions, 1 deletions
diff --git a/test/cpp/qps/server_async.cc b/test/cpp/qps/server_async.cc
index 23c7e85283..72ae772147 100644
--- a/test/cpp/qps/server_async.cc
+++ b/test/cpp/qps/server_async.cc
@@ -79,7 +79,7 @@ class AsyncQpsServerTest final : public grpc::testing::Server {
     auto port_num = port();
     // Negative port number means inproc server, so no listen port needed
     if (port_num >= 0) {
-      char* server_address = NULL;
+      char* server_address = nullptr;
       gpr_join_host_port(&server_address, "::", port_num);
       builder.AddListeningPort(server_address,
                                Server::CreateServerCredentials(config));