diff --git a/tensorflow/core/debug/debug_io_utils.cc b/tensorflow/core/debug/debug_io_utils.cc
index 6994dec3b59..527c9353801 100644
--- a/tensorflow/core/debug/debug_io_utils.cc
+++ b/tensorflow/core/debug/debug_io_utils.cc
@@ -730,7 +730,7 @@ Status DebugGrpcChannel::Connect(const int64 timeout_micros) {
   ::grpc::ChannelArguments args;
   args.SetInt(GRPC_ARG_MAX_MESSAGE_LENGTH, std::numeric_limits<int32>::max());
   // Avoid problems where default reconnect backoff is too long (e.g., 20 s).
-  args.SetInt("grpc.testing.fixed_reconnect_backoff_ms", 1000);
+  args.SetInt(GRPC_ARG_MAX_RECONNECT_BACKOFF_MS, 1000);
   channel_ = ::grpc::CreateCustomChannel(
       server_stream_addr_, ::grpc::InsecureChannelCredentials(), args);
   if (!channel_->WaitForConnected(
diff --git a/tensorflow/core/distributed_runtime/rpc/grpc_channel.cc b/tensorflow/core/distributed_runtime/rpc/grpc_channel.cc
index 781b7d65cdd..64c221805b0 100644
--- a/tensorflow/core/distributed_runtime/rpc/grpc_channel.cc
+++ b/tensorflow/core/distributed_runtime/rpc/grpc_channel.cc
@@ -62,7 +62,7 @@ Status ValidateHostPortPair(const string& host_port) {
   args.SetInt(GRPC_ARG_MAX_MESSAGE_LENGTH, std::numeric_limits<int32>::max());
   // NOTE(mrry): Some versions of gRPC use a 20-second minimum backoff
   // on connection failure, which makes our tests time out.
-  args.SetInt("grpc.testing.fixed_reconnect_backoff_ms", 1000);
+  args.SetInt(GRPC_ARG_MAX_RECONNECT_BACKOFF_MS, 1000);
   if (rpc_options != nullptr) {
     if (rpc_options->compression_algorithm() == "deflate") {
       args.SetCompressionAlgorithm(GRPC_COMPRESS_DEFLATE);