diff --git a/src/devices/wifi/edca-txop-n.cc b/src/devices/wifi/edca-txop-n.cc
index 67fce8e42..6e301832a 100644
--- a/src/devices/wifi/edca-txop-n.cc
+++ b/src/devices/wifi/edca-txop-n.cc
@@ -362,7 +362,7 @@ EdcaTxopN::NotifyAccessGranted (void)
     }
   MacLowTransmissionParameters params;
   params.DisableOverrideDurationId ();
-  if (m_currentHdr.GetAddr1 ().IsBroadcast ()) 
+  if (m_currentHdr.GetAddr1 ().IsGroup ()) 
     {
       params.DisableRts ();
       params.DisableAck ();
diff --git a/src/devices/wifi/qsta-wifi-mac.cc b/src/devices/wifi/qsta-wifi-mac.cc
index d9af0f195..acc47cdb9 100644
--- a/src/devices/wifi/qsta-wifi-mac.cc
+++ b/src/devices/wifi/qsta-wifi-mac.cc
@@ -569,7 +569,7 @@ QstaWifiMac::Receive (Ptr<Packet> packet, const WifiMacHeader *hdr)
   NS_LOG_FUNCTION (this);
   NS_ASSERT (!hdr->IsCtl ());
   if (hdr->GetAddr1 () != GetAddress () &&
-      !hdr->GetAddr1 ().IsBroadcast ())
+      !hdr->GetAddr1 ().IsGroup ())
     {
       NS_LOG_LOGIC ("packet is not for us");
     }