diff --git a/libs/dbus-c++/include/dbus-c++/server.h b/libs/dbus-c++/include/dbus-c++/server.h
index 590452b57c174d27ca1d3d6297bfe00015c54a78..adc6edef264612c1f42b93cbbd32161304e9961b 100644
--- a/libs/dbus-c++/include/dbus-c++/server.h
+++ b/libs/dbus-c++/include/dbus-c++/server.h
@@ -63,7 +63,7 @@ public:
 
 protected:
 
-	Server(const Server &s)
+	Server(const Server & /* s */)
 	{}
 
 	virtual void on_new_connection(Connection &c) = 0;