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--- a/upmpd/conman.cxx
+++ b/upmpd/conman.cxx
@@ -39,6 +39,8 @@
 #include "conman.hxx"
 #include "mpdcli.hxx"
 #include "upmpdutils.hxx"
+
+using namespace UPnPP;
 
 static const string sTpCM("urn:schemas-upnp-org:service:ConnectionManager:1");
 static const string sIdCM("urn:upnp-org:serviceId:ConnectionManager");