--- a/src/wifi/model/constant-rate-wifi-manager.cc	Fri Mar 27 10:03:43 2015 -0700
+++ b/src/wifi/model/constant-rate-wifi-manager.cc	Fri Mar 27 11:28:59 2015 -0700
@@ -37,6 +37,7 @@
 {
   static TypeId tid = TypeId ("ns3::ConstantRateWifiManager")
     .SetParent<WifiRemoteStationManager> ()
+    .SetGroupName ("Wifi")
     .AddConstructor<ConstantRateWifiManager> ()
     .AddAttribute ("DataMode", "The transmission mode to use for every data packet transmission",
                    StringValue ("OfdmRate6Mbps"),