diff --git a/internal/app/handler/chip.go b/internal/app/handler/chip.go
index 11cc452..0696a06 100644
--- a/internal/app/handler/chip.go
+++ b/internal/app/handler/chip.go
@@ -58,7 +58,7 @@ Sign Keys:
 
 	var keysReplacement string
 	for _, key := range chip.EUICCInfo2.PkiForSigning {
-		keysReplacement += util.FincCertificateIssuer(key) + "\n"
+		keysReplacement += util.FindCertificateIssuer(key) + "\n"
 	}
 	keysReplacement = strings.TrimSuffix(keysReplacement, "\n")
 	return c.Send(
diff --git a/internal/pkg/config/config.go b/internal/pkg/config/config.go
index dd313a1..32d28f1 100644
--- a/internal/pkg/config/config.go
+++ b/internal/pkg/config/config.go
@@ -10,13 +10,14 @@ const (
 )
 
 type Config struct {
-	BotToken     string
-	AdminId      int64
-	Dir          string
-	APDUDriver   string
-	Version      string
-	DontDownload bool
-	Verbose      bool
+	BotToken         string
+	AdminId          int64
+	TelegramEndpoint string
+	Dir              string
+	APDUDriver       string
+	Version          string
+	DontDownload     bool
+	Verbose          bool
 }
 
 var C = &Config{}
diff --git a/internal/pkg/util/euicc.go b/internal/pkg/util/euicc.go
index 104d4aa..de7e1d5 100644
--- a/internal/pkg/util/euicc.go
+++ b/internal/pkg/util/euicc.go
@@ -47,7 +47,7 @@ func init() {
 	}
 }
 
-func FincCertificateIssuer(keyID string) string {
+func FindCertificateIssuer(keyID string) string {
 	for _, ci := range certificateIssuers {
 		if strings.HasPrefix(keyID, ci.KeyID) {
 			return ci.Name
diff --git a/main.go b/main.go
index ef817f7..d818a2c 100644
--- a/main.go
+++ b/main.go
@@ -26,6 +26,7 @@ func init() {
 	}
 	flag.StringVar(&config.C.BotToken, "bot-token", "", "telegram bot token")
 	flag.Int64Var(&config.C.AdminId, "admin-id", 0, "telegram admin id")
+	flag.StringVar(&config.C.TelegramEndpoint, "telegram-endpoint", "https://api.telegram.org", "telegram endpoint")
 	flag.StringVar(&config.C.APDUDriver, "apdu-driver", "at", "the APDU driver to use (at or qmi)")
 	flag.StringVar(&config.C.Version, "version", "v2.0.2", "the version of lpac to download")
 	flag.StringVar(&config.C.Dir, "dir", "/tmp/telegram-sms", "the directory to store lpac")
@@ -55,6 +56,7 @@ func main() {
 
 	bot, err := telebot.NewBot(telebot.Settings{
 		Token: config.C.BotToken,
+		URL:   config.C.TelegramEndpoint,
 		Client: &http.Client{
 			Timeout: 30 * time.Second,
 			Transport: &http.Transport{