diff --git a/daemon/face/tcp-factory.cpp b/daemon/face/tcp-factory.cpp
index e2fb3fe..28ac251 100644
--- a/daemon/face/tcp-factory.cpp
+++ b/daemon/face/tcp-factory.cpp
@@ -40,6 +40,11 @@
   return id;
 }
 
+TcpFactory::TcpFactory(const CtorParams& params)
+  : ProtocolFactory(params)
+{
+}
+
 void
 TcpFactory::processConfig(OptionalConfigSection configSection,
                           FaceSystem::ConfigContext& context)