diff --git a/daemon/fw/forwarder.hpp b/daemon/fw/forwarder.hpp
index 47c6e03..cad9396 100644
--- a/daemon/fw/forwarder.hpp
+++ b/daemon/fw/forwarder.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2021,  Regents of the University of California,
+ * Copyright (c) 2014-2022,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -251,7 +251,7 @@
   NetworkRegionTable m_networkRegionTable;
 
   // allow Strategy (base class) to enter pipelines
-  friend class fw::Strategy;
+  friend fw::Strategy;
 };
 
 } // namespace nfd