diff --git a/src/csharp/ext/grpc_csharp_ext.c b/src/csharp/ext/grpc_csharp_ext.c
index 88f092573e4ae17f851ae4b86ec15b10e41701a4..bf2bbd873b010bcba43450060e8529e6aaa4fe87 100644
--- a/src/csharp/ext/grpc_csharp_ext.c
+++ b/src/csharp/ext/grpc_csharp_ext.c
@@ -734,7 +734,8 @@ grpcsharp_call_start_serverside(grpc_call *call, grpcsharp_batch_context *ctx) {
       (&ctx->recv_close_on_server_cancelled);
   ops[0].flags = 0;
 
-  return grpc_call_start_batch(call, ops, sizeof(ops) / sizeof(ops[0]), ctx);
+  return grpc_call_start_batch(call, ops, sizeof(ops) / sizeof(ops[0]), ctx,
+                               NULL);
 }
 
 GPR_EXPORT grpc_call_error GPR_CALLTYPE
diff --git a/src/node/ext/channel.cc b/src/node/ext/channel.cc
index 3ff310f17294d996b1018d6152bc17737acc9536..45d0d09e22889e775a6d70ad9cd8b753a92f991f 100644
--- a/src/node/ext/channel.cc
+++ b/src/node/ext/channel.cc
@@ -145,7 +145,8 @@ NAN_METHOD(Channel::New) {
       return NanThrowTypeError("Channel expects a string and an object");
     }
     if (creds == NULL) {
-      wrapped_channel = grpc_insecure_channel_create(*host, channel_args_ptr);
+      wrapped_channel = grpc_insecure_channel_create(*host, channel_args_ptr,
+                                                     NULL);
     } else {
       wrapped_channel =
           grpc_secure_channel_create(creds, *host, channel_args_ptr);