diff --git a/main.go b/main.go
index 1346637..8370130 100644
--- a/main.go
+++ b/main.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"flag"
+	"fmt"
 	"log"
 	"math/rand"
 	"sync"
@@ -43,6 +44,7 @@ func main() {
 			*server,
 			*port,
 			gameName,
+			fmt.Sprintf("%s%d", *botname, i),
 			*hp,
 			*speed,
 			*acceleration,
diff --git a/robot.go b/robot.go
index 9746bbf..9e12dae 100644
--- a/robot.go
+++ b/robot.go
@@ -19,12 +19,14 @@ type robot struct {
 	ws       *websocket.Conn
 	game     GameParam
 	playerId string
+	name     string
 }
 
 func NewRobot(
 	server string,
 	port int,
 	gameName string,
+	botName string,
 	hp,
 	speed,
 	acceleration,
@@ -36,7 +38,8 @@ func NewRobot(
 		return nil, errors.New(fmt.Sprintf("connection failure: %s", err))
 	}
 	r := &robot{
-		ws: ws,
+		ws:   ws,
+		name: botName,
 	}
 
 	// XXX: update with missing fields
@@ -84,7 +87,7 @@ func (r *robot) negociate(req StatsRequest, gameName string) (err error) {
 		Name      string `json:"name"`
 		Useragent string `json:"useragent"`
 	}{
-		Name:      *botname,
+		Name:      r.name,
 		Useragent: "gobot",
 		Type:      "robot",
 	})
@@ -101,7 +104,7 @@ func (r *robot) negociate(req StatsRequest, gameName string) (err error) {
 	conf := ClientConfig{
 		ID: gameName,
 		Stats: map[string]StatsRequest{
-			*botname: req,
+			r.name: req,
 		},
 	}