diff --git a/net/atm/br2684.c b/net/atm/br2684.c
index 72f3f7b..bdb4d89 100644
--- a/net/atm/br2684.c
+++ b/net/atm/br2684.c
@@ -295,7 +295,7 @@
 	unsigned char *rawp;
 	eth = eth_hdr(skb);
 
-	if (*eth->h_dest & 1) {
+	if (is_multicast_ether_addr(eth->h_dest)) {
 		if (memcmp(eth->h_dest, dev->broadcast, ETH_ALEN) == 0)
 			skb->pkt_type = PACKET_BROADCAST;
 		else
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index c387852..e3a73ce 100644
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -68,7 +68,7 @@
 		}
 	}
 
-	if (dest[0] & 1) {
+	if (is_multicast_ether_addr(dest)) {
 		br_flood_forward(br, skb, !passedup);
 		if (!passedup)
 			br_pass_frame_up(br, skb);
diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c
index 9f4dbeb..9890fd9 100644
--- a/net/ethernet/eth.c
+++ b/net/ethernet/eth.c
@@ -163,7 +163,7 @@
 	skb_pull(skb,ETH_HLEN);
 	eth = eth_hdr(skb);
 	
-	if (*eth->h_dest&1) {
+	if (is_multicast_ether_addr(eth->h_dest)) {
 		if (!compare_ether_addr(eth->h_dest, dev->broadcast))
 			skb->pkt_type = PACKET_BROADCAST;
 		else