diff --git a/daemon/face/tcp-factory.hpp b/daemon/face/tcp-factory.hpp
index 4576c65..36ee320 100644
--- a/daemon/face/tcp-factory.hpp
+++ b/daemon/face/tcp-factory.hpp
@@ -1,5 +1,5 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
-/**
+/*
  * Copyright (c) 2014-2017,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
@@ -40,6 +40,9 @@
   static const std::string&
   getId();
 
+  explicit
+  TcpFactory(const CtorParams& params);
+
   /** \brief process face_system.tcp config section
    */
   void