diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 804ee15c45c1..879cd2315769 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1741,7 +1741,7 @@ static void br_ip6_multicast_query_expired(struct timer_list *t)
 
 void br_multicast_init(struct net_bridge *br)
 {
-	br->hash_max = 512;
+	br->hash_max = BR_MULTICAST_DEFAULT_HASH_MAX;
 
 	br->multicast_router = MDB_RTR_TYPE_TEMP_QUERY;
 	br->multicast_last_member_count = 2;
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index ba50fa437a94..5719b4d3e466 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -31,6 +31,8 @@
 #define BR_PORT_BITS	10
 #define BR_MAX_PORTS	(1<<BR_PORT_BITS)
 
+#define BR_MULTICAST_DEFAULT_HASH_MAX 4096
+
 #define BR_VERSION	"2.3"
 
 /* Control of forwarding link local multicast */