diff --git a/internal/chat/telegram/telegram.go b/internal/chat/telegram/telegram.go
index 71ab677..072f907 100644
--- a/internal/chat/telegram/telegram.go
+++ b/internal/chat/telegram/telegram.go
@@ -14,6 +14,7 @@ import (
 	"log"
 	"net/http"
 	"strconv"
+	"strings"
 	"time"
 
 	"github.com/kamelion/ratatoskr-go/internal/chat"
@@ -71,8 +72,12 @@ func (ch *Channel) Run(ctx context.Context) error {
 	}
 }
 
+// tgPrefix — префикс адреса чата в ratatoskr (см. handleUpdate).
+// В Bot API chat_id передаётся без него.
+const tgPrefix = "tg://"
+
 func (ch *Channel) Send(_ context.Context, to chat.Address, m chat.Message) error {
-	return ch.sendMsg(string(to), formatOutgoing(m))
+	return ch.sendMsg(strings.TrimPrefix(string(to), tgPrefix), formatOutgoing(m))
 }
 
 func (ch *Channel) Ask(_ context.Context, to chat.Address, m chat.Message) error {
diff --git a/internal/chat/telegram/telegram_test.go b/internal/chat/telegram/telegram_test.go
index 679637a..dd814e1 100644
--- a/internal/chat/telegram/telegram_test.go
+++ b/internal/chat/telegram/telegram_test.go
@@ -79,6 +79,9 @@ func TestSend(t *testing.T) {
 	if len(f.sent) != 1 {
 		t.Fatal("не отправлено")
 	}
+	if f.sent[0].ChatID != "123" {
+		t.Errorf("chat_id = %q, want 123 (без префикса tg://)", f.sent[0].ChatID)
+	}
 	if f.sent[0].Text != "hello" {
 		t.Errorf("text = %q", f.sent[0].Text)
 	}