--- a/src/devices/wifi/wifi-net-device.cc	Tue Nov 04 14:56:32 2008 +0100
+++ b/src/devices/wifi/wifi-net-device.cc	Mon Nov 24 06:36:05 2008 +0100
@@ -224,15 +224,14 @@
   return false;
 }
 Address 
-WifiNetDevice::GetMulticast (void) const
-{
-  return Mac48Address::GetMulticastPrefix ();
-}
-Address 
-WifiNetDevice::MakeMulticastAddress (Ipv4Address multicastGroup) const
+WifiNetDevice::GetMulticast (Ipv4Address multicastGroup) const
 {
   return Mac48Address::GetMulticast (multicastGroup);
 }
+Address WifiNetDevice::GetMulticast (Ipv6Address addr) const
+{
+  return Mac48Address::GetMulticast (addr);
+}
 bool 
 WifiNetDevice::IsPointToPoint (void) const
 {