1 files changed, 4 insertions, 0 deletions
diff --git a/include/grpc++/impl/codegen/byte_buffer.h b/include/grpc++/impl/codegen/byte_buffer.h
index fe73ce7a83..9c0246e617 100644
--- a/include/grpc++/impl/codegen/byte_buffer.h
+++ b/include/grpc++/impl/codegen/byte_buffer.h
@@ -41,6 +41,8 @@ template <class ServiceType, class RequestType, class ResponseType>
 class RpcMethodHandler;
 template <class ServiceType, class RequestType, class ResponseType>
 class ServerStreamingHandler;
+template <StatusCode code>
+class ErrorMethodHandler;
 template <class R>
 class DeserializeFuncType;
 }  // namespace internal
@@ -107,6 +109,8 @@ class ByteBuffer final {
   friend class internal::RpcMethodHandler;
   template <class ServiceType, class RequestType, class ResponseType>
   friend class internal::ServerStreamingHandler;
+  template <StatusCode code>
+  friend class internal::ErrorMethodHandler;
   template <class R>
   friend class internal::DeserializeFuncType;