--- a/src/devices/wifi/qap-wifi-mac.cc	Mon Apr 27 16:50:16 2009 +0200
+++ b/src/devices/wifi/qap-wifi-mac.cc	Tue Apr 28 09:25:33 2009 +0200
@@ -591,8 +591,7 @@
                   ForwardUp (packet, from, bssid);
                 }
             }
-          else if (to.IsBroadcast () ||
-                   to.IsMulticast () ||
+          else if (to.IsGroup () ||
                    toStation->IsAssociated ())
             {
               NS_LOG_DEBUG ("forwarding frame from="<<from<<", to="<<to);