diff --git a/examples/multipro/README.md b/examples/multipro/README.md
index 9c5640fc..1e3352cf 100644
--- a/examples/multipro/README.md
+++ b/examples/multipro/README.md
@@ -47,6 +47,6 @@ The idea is to use lib-p2p protocol multiplexing on a per-message basis.
 5. Full access to request data when processing a response.
 
 ## Author
-
 @avive
 
+
diff --git a/examples/multipro/echo.go b/examples/multipro/echo.go
index 409bc390..27374884 100644
--- a/examples/multipro/echo.go
+++ b/examples/multipro/echo.go
@@ -80,7 +80,7 @@ func (e *EchoProtocol) onEchoRequest(s inet.Stream) {
 		return
 	}
 
-	ok := sendProtoMessage(resp, s)
+	ok := e.node.sendProtoMessage(resp, s)
 
 	if ok {
 		log.Printf("%s: Echo response to %s sent.", s.Conn().LocalPeer().String(), s.Conn().RemotePeer().String())
@@ -143,7 +143,7 @@ func (e *EchoProtocol) Echo(host host.Host) bool {
 		return false
 	}
 
-	ok := sendProtoMessage(req, s)
+	ok := e.node.sendProtoMessage(req, s)
 
 	if !ok {
 		return false
diff --git a/examples/multipro/node.go b/examples/multipro/node.go
index 978106bd..7dfc96f7 100644
--- a/examples/multipro/node.go
+++ b/examples/multipro/node.go
@@ -1,16 +1,16 @@
 package main
 
 import (
+	"bufio"
 	"log"
 	"time"
-	"bufio"
 
 	p2p "github.com/avive/go-libp2p/examples/multipro/pb"
 	"github.com/gogo/protobuf/proto"
+	protobufCodec "github.com/multiformats/go-multicodec/protobuf"
 	host "gx/ipfs/QmRS46AyqtpJBsf1zmQdeizSDEzo1qkWR7rdEuPFAv8237/go-libp2p-host"
 	peer "gx/ipfs/QmXYjuNuxVzXKJCfWasQk1RqkhVLDM9jtUKhqc2WPQmFSB/go-libp2p-peer"
 	crypto "gx/ipfs/QmaPbCnUMBohSGo3KnxEa2bHqyJVVeEEcwtqJAYxerieBo/go-libp2p-crypto"
-	protobufCodec "github.com/multiformats/go-multicodec/protobuf"
 	inet "gx/ipfs/QmbD5yKbXahNvoMqzeuNyKQA9vAs9fUvJg2GXeWU1fVqY5/go-libp2p-net"
 )
 
@@ -37,7 +37,6 @@ func NewNode(host host.Host, done chan bool) *Node {
 // message: a protobufs go data object
 // data: common p2p message data
 func (n *Node) authenticateMessage(message proto.Message, data *p2p.MessageData) bool {
-
 	// store a temp ref to signature and remove it from message data
 	// sign is a string to allow easy reset to zero-value (empty string)
 	sign := data.Sign
@@ -138,7 +137,7 @@ func (n *Node) NewMessageData(messageId string, gossip bool) *p2p.MessageData {
 // helper method - writes a protobuf go data object to a network stream
 // data: reference of protobuf go data object to send (not the object itself)
 // s: network stream to write the data to
-func sendProtoMessage(data proto.Message, s inet.Stream) bool {
+func (n *Node) sendProtoMessage(data proto.Message, s inet.Stream) bool {
 	writer := bufio.NewWriter(s)
 	enc := protobufCodec.Multicodec(nil).Encoder(writer)
 	err := enc.Encode(data)
diff --git a/examples/multipro/ping.go b/examples/multipro/ping.go
index 5960d560..a8508b33 100644
--- a/examples/multipro/ping.go
+++ b/examples/multipro/ping.go
@@ -6,12 +6,11 @@ import (
 	"fmt"
 	"log"
 
-	inet "gx/ipfs/QmbD5yKbXahNvoMqzeuNyKQA9vAs9fUvJg2GXeWU1fVqY5/go-libp2p-net"
-
 	p2p "github.com/avive/go-libp2p/examples/multipro/pb"
 	uuid "github.com/google/uuid"
 	protobufCodec "github.com/multiformats/go-multicodec/protobuf"
 	"gx/ipfs/QmRS46AyqtpJBsf1zmQdeizSDEzo1qkWR7rdEuPFAv8237/go-libp2p-host"
+	inet "gx/ipfs/QmbD5yKbXahNvoMqzeuNyKQA9vAs9fUvJg2GXeWU1fVqY5/go-libp2p-net"
 )
 
 // pattern: /protocol-name/request-or-response-message/version
@@ -76,7 +75,7 @@ func (p *PingProtocol) onPingRequest(s inet.Stream) {
 		return
 	}
 
-	ok := sendProtoMessage(resp, s)
+	ok := p.node.sendProtoMessage(resp, s)
 
 	if ok {
 		log.Printf("%s: Ping response to %s sent.", s.Conn().LocalPeer().String(), s.Conn().RemotePeer().String())
@@ -136,7 +135,7 @@ func (p *PingProtocol) Ping(host host.Host) bool {
 		return false
 	}
 
-	ok := sendProtoMessage(req, s)
+	ok := p.node.sendProtoMessage(req, s)
 
 	if !ok {
 		return false