diff --git a/include/grpc++/impl/codegen/method_handler_impl.h b/include/grpc++/impl/codegen/method_handler_impl.h
index 3f25b546daf27e920f630eea727b0ab93a321076..d989263252d715c8db6ca61373ffb4163d4c91b7 100644
--- a/include/grpc++/impl/codegen/method_handler_impl.h
+++ b/include/grpc++/impl/codegen/method_handler_impl.h
@@ -195,7 +195,7 @@ class TemplatedBidiStreamingHandler : public MethodHandler {
         // If we needed a write but never did one, we need to mark the
         // status as a fail
         status = Status(StatusCode::INTERNAL,
-			"Service did not provide response message");
+                        "Service did not provide response message");
       }
     }
     ops.ServerSendStatus(param.server_context->trailing_metadata_, status);