diff --git a/bot/event.go b/bot/event.go
index d3ba7dc..a63593c 100644
--- a/bot/event.go
+++ b/bot/event.go
@@ -3,13 +3,14 @@ package bot
 import (
 	"github.com/Tnze/go-mc/bot/world/entity"
 	"github.com/Tnze/go-mc/chat"
+	"github.com/google/uuid"
 
 	pk "github.com/Tnze/go-mc/net/packet"
 )
 
 type eventBroker struct {
 	GameStart      func() error
-	ChatMsg        func(msg chat.Message, pos byte, sender string) error
+	ChatMsg        func(msg chat.Message, pos byte, sender uuid.UUID) error
 	Disconnect     func(reason chat.Message) error
 	HealthChange   func() error
 	Die            func() error
diff --git a/bot/ingame.go b/bot/ingame.go
index 39b44c9..ec97122 100644
--- a/bot/ingame.go
+++ b/bot/ingame.go
@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"errors"
 	"fmt"
+	"github.com/google/uuid"
 	"io/ioutil"
 
 	"github.com/Tnze/go-mc/bot/world"
@@ -285,7 +286,7 @@ func handleChatMessagePacket(c *Client, p pk.Packet) (err error) {
 	}
 
 	if c.Events.ChatMsg != nil {
-		err = c.Events.ChatMsg(s, byte(pos), string(sender.Encode()))
+		err = c.Events.ChatMsg(s, byte(pos), uuid.UUID(sender))
 	}
 
 	return err
diff --git a/cmd/autofish/autofish.go b/cmd/autofish/autofish.go
index 741f8ea..611090d 100644
--- a/cmd/autofish/autofish.go
+++ b/cmd/autofish/autofish.go
@@ -1,6 +1,7 @@
 package main
 
 import (
+	"github.com/google/uuid"
 	"log"
 	"time"
 
@@ -72,7 +73,7 @@ func onSound(name string, category int, x, y, z float64, volume, pitch float32)
 	return nil
 }
 
-func onChatMsg(c chat.Message, pos byte, uuid string) error {
+func onChatMsg(c chat.Message, pos byte, uuid uuid.UUID) error {
 	log.Println("Chat:", c)
 	return nil
 }
diff --git a/cmd/daze/daze.go b/cmd/daze/daze.go
index acdd252..7ede457 100644
--- a/cmd/daze/daze.go
+++ b/cmd/daze/daze.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"bytes"
+	"github.com/google/uuid"
 	"log"
 
 	"github.com/Tnze/go-mc/bot"
@@ -38,7 +39,7 @@ func onGameStart() error {
 	return nil //if err isn't nil, HandleGame() will return it.
 }
 
-func onChatMsg(c chat.Message, pos byte, uuid string) error {
+func onChatMsg(c chat.Message, pos byte, uuid uuid.UUID) error {
 	log.Println("Chat:", c.ClearString()) // output chat message without any format code (like color or bold)
 	return nil
 }