diff --git a/floodsub.go b/floodsub.go
index b44632d..4fe7669 100644
--- a/floodsub.go
+++ b/floodsub.go
@@ -69,7 +69,9 @@ func (fs *FloodSubRouter) EnoughPeers(topic string, suggested int) bool {
 
 func (fs *FloodSubRouter) HandleRPC(rpc *RPC) {}
 
-func (fs *FloodSubRouter) Publish(from peer.ID, msg *Message) {
+func (fs *FloodSubRouter) Publish(msg *Message) {
+	from := msg.ReceivedFrom
+
 	tosend := make(map[peer.ID]struct{})
 	for _, topic := range msg.GetTopicIDs() {
 		tmap, ok := fs.p.topics[topic]
diff --git a/gossipsub.go b/gossipsub.go
index 43b7b36..f67f181 100644
--- a/gossipsub.go
+++ b/gossipsub.go
@@ -484,8 +484,9 @@ func (gs *GossipSubRouter) connector() {
 	}
 }
 
-func (gs *GossipSubRouter) Publish(from peer.ID, msg *Message) {
+func (gs *GossipSubRouter) Publish(msg *Message) {
 	gs.mcache.Put(msg.Message)
+	from := msg.ReceivedFrom
 
 	tosend := make(map[peer.ID]struct{})
 	for _, topic := range msg.GetTopicIDs() {
@@ -495,7 +496,7 @@ func (gs *GossipSubRouter) Publish(from peer.ID, msg *Message) {
 			continue
 		}
 
-		if gs.floodPublish && msg.ReceivedFrom == gs.p.host.ID() {
+		if gs.floodPublish && from == gs.p.host.ID() {
 			for p := range tmap {
 				if gs.score.Score(p) >= gs.publishThreshold {
 					tosend[p] = struct{}{}
diff --git a/pubsub.go b/pubsub.go
index a7cf901..4977e6d 100644
--- a/pubsub.go
+++ b/pubsub.go
@@ -155,7 +155,7 @@ type PubSubRouter interface {
 	// It is invoked after subscriptions and payload messages have been processed.
 	HandleRPC(*RPC)
 	// Publish is invoked to forward a new message that has been validated.
-	Publish(peer.ID, *Message)
+	Publish(*Message)
 	// Join notifies the router that we want to receive and forward messages in a topic.
 	// It is invoked after the subscription announcement.
 	Join(topic string)
@@ -840,7 +840,7 @@ func (p *PubSub) pushMsg(msg *Message) {
 func (p *PubSub) publishMessage(msg *Message) {
 	p.tracer.DeliverMessage(msg)
 	p.notifySubs(msg)
-	p.rt.Publish(msg.ReceivedFrom, msg)
+	p.rt.Publish(msg)
 }
 
 type addTopicReq struct {
diff --git a/randomsub.go b/randomsub.go
index 72c3340..42bbd5c 100644
--- a/randomsub.go
+++ b/randomsub.go
@@ -88,7 +88,9 @@ func (rs *RandomSubRouter) EnoughPeers(topic string, suggested int) bool {
 
 func (rs *RandomSubRouter) HandleRPC(rpc *RPC) {}
 
-func (rs *RandomSubRouter) Publish(from peer.ID, msg *Message) {
+func (rs *RandomSubRouter) Publish(msg *Message) {
+	from := msg.ReceivedFrom
+
 	tosend := make(map[peer.ID]struct{})
 	rspeers := make(map[peer.ID]struct{})
 	src := peer.ID(msg.GetFrom())