```
diff --git a/internal/handlers/telegram/helpers.go b/internal/handlers/telegram/helpers.go
index 6d390b5..155075b 100644
--- a/internal/handlers/telegram/helpers.go
+++ b/internal/handlers/telegram/helpers.go
@@ -9,7 +9,7 @@ GetUsername takes showZWSP condition and user then returns username with or with
 */
 func GetUsername(showZWSP bool, u *tgbotapi.User) string {
        if u.UserName == "" {
-               return u.FirstName
+               return "!" + u.FirstName
        }
        if showZWSP {
                return ZwspUsername(u)
@@ -22,7 +22,7 @@ GetFullUsername takes showZWSP condition and user then returns full username wit
 */
 func GetFullUsername(showZWSP bool, u *tgbotapi.User) string {
        if u.UserName == "" {
-               return u.FirstName
+               return "!" + u.FirstName
        }
        if showZWSP {
                return GetFullUserZwsp(u)
```