diff --git a/senders/telegram/handle_message.go b/senders/telegram/handle_message.go
index dc2812577..6bd4fdf7b 100644
--- a/senders/telegram/handle_message.go
+++ b/senders/telegram/handle_message.go
@@ -34,13 +34,16 @@ func (sender *Sender) getResponseMessage(message *telebot.Message) (string, erro
 		return fmt.Sprintf("Okay, %s, your id is %s", strings.Trim(fmt.Sprintf("%s %s", message.Sender.FirstName, message.Sender.LastName), " "), chatID), nil
 	case message.Chat.Type == telebot.ChatSuperGroup || message.Chat.Type == telebot.ChatGroup:
 		uuid, _ := sender.DataBase.GetIDByUsername(messenger, message.Chat.Title)
-		err := sender.DataBase.SetUsernameID(messenger, message.Chat.Title, chatID)
-		if err != nil {
-			return "", err
-		}
 		if uuid == "" {
+			err := sender.DataBase.SetUsernameID(messenger, message.Chat.Title, chatID)
+			if err != nil {
+				return "", err
+			}
 			return fmt.Sprintf("Hi, all!\nI will send alerts in this group (%s).", message.Chat.Title), nil
 		}
+		if message.Text == "/start" {
+			return fmt.Sprintf("Hi, all!\nGroup with name (%s) is already registered.", message.Chat.Title), nil
+		}
 		return "", nil
 	}
 	return "I don't understand you :(", nil
diff --git a/senders/telegram/handle_message_test.go b/senders/telegram/handle_message_test.go
index 67955189c..4350787af 100644
--- a/senders/telegram/handle_message_test.go
+++ b/senders/telegram/handle_message_test.go
@@ -84,6 +84,7 @@ func TestGetResponseMessage(t *testing.T) {
 					Type:  telebot.ChatSuperGroup,
 					Title: "MyGroup",
 				},
+				Text: "/start",
 			}
 
 			Convey("GetIDByUsername returns error", func() {
@@ -115,18 +116,10 @@ func TestGetResponseMessage(t *testing.T) {
 			Convey("GetIDByUsername return uuid", func() {
 				dataBase.EXPECT().GetIDByUsername(messenger, message.Chat.Title).Return("123", nil)
 
-				Convey("SetUsernameID returns error", func() {
-					dataBase.EXPECT().SetUsernameID(messenger, message.Chat.Title, "123").Return(fmt.Errorf("error"))
-					response, err := sender.getResponseMessage(message)
-					So(err, ShouldResemble, fmt.Errorf("error"))
-					So(response, ShouldBeEmpty)
-				})
-
-				Convey("SetUsernameID returns empty error", func() {
-					dataBase.EXPECT().SetUsernameID(messenger, message.Chat.Title, "123").Return(nil)
+				Convey("Group name already exists", func() {
 					response, err := sender.getResponseMessage(message)
 					So(err, ShouldBeNil)
-					So(response, ShouldBeEmpty)
+					So(response, ShouldResemble, fmt.Sprintf("Hi, all!\nGroup with name (%s) is already registered.", message.Chat.Title))
 				})
 			})
 		})