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--- a/libupnpp/upnpplib.hxx
+++ b/libupnpp/upnpplib.hxx
@@ -24,6 +24,8 @@
 #include <upnp/upnptools.h>
 
 #include "ptmutex.hxx"
+
+namespace UPnPP {
 
 /** Our link to libupnp. Initialize and keep the handle around */
 class LibUPnP {
@@ -133,4 +135,6 @@
     std::map<Upnp_EventType, Handler> m_handlers;
 };
 
+} // namespace UPnPP
+
 #endif /* _LIBUPNP.H_X_INCLUDED_ */