diff --git a/lib/squader/responders.go b/lib/squader/responders.go
index 6ba42e1..5f6a702 100644
--- a/lib/squader/responders.go
+++ b/lib/squader/responders.go
@@ -78,7 +78,7 @@ func (s *Squader) SquadInfo(update *tgbotapi.Update, playerRaw *dbmapping.Player
 			}
 			message += " " + squadMembers[i].Profile.Nickname + " "
 			if squadMembers[i].Profile.TelegramNickname != "" {
-				message += "(@" + squadMembers[i].Profile.TelegramNickname + ")"
+				message += "(@" + c.Users.FormatUsername(squadMembers[i].Profile.TelegramNickname) + ")"
 			}
 			message += " ⚔" + strconv.Itoa(squadMembers[i].Profile.Power)
 			message += "\n"
diff --git a/lib/users/responders.go b/lib/users/responders.go
index 9fb3350..bd730e1 100644
--- a/lib/users/responders.go
+++ b/lib/users/responders.go
@@ -10,6 +10,11 @@ import (
 	"strings"
 )
 
+// FormatUsername formats Telegram username for posting
+func (u *Users) FormatUsername(userName string) string {
+	return strings.Replace(userName, "_", "\\_", -1)
+}
+
 // ProfileMessage shows current player's profile
 func (u *Users) ProfileMessage(update *tgbotapi.Update, playerRaw *dbmapping.Player) string {
 	profileRaw, ok := u.GetProfile(playerRaw.ID)
@@ -55,7 +60,10 @@ func (u *Users) ProfileMessage(update *tgbotapi.Update, playerRaw *dbmapping.Pla
 	}
 
 	message := "*Профиль игрока "
-	message += profileRaw.Nickname + "* (@" + profileRaw.TelegramNickname + ")\n"
+	message += profileRaw.Nickname + "*"
+	if profileRaw.TelegramNickname != "" {
+		message += " (@" + u.FormatUsername(profileRaw.TelegramNickname) + ")"
+	}
 	message += "\nЛига: " + league.Symbol + league.Name
 	message += "\n👤 " + strconv.Itoa(profileRaw.LevelID)
 	message += " | 🎓 " + strconv.Itoa(profileRaw.Exp) + "/" + strconv.Itoa(level.MaxExp)
@@ -105,6 +113,8 @@ func (u *Users) ProfileMessage(update *tgbotapi.Update, playerRaw *dbmapping.Pla
 	message += "\nНе забывай обновляться, это важно для получения актуальной информации.\n\n"
 	message += "/best – посмотреть лучших покемемов для поимки"
 
+	c.Log.Debug(message)
+
 	msg := tgbotapi.NewMessage(update.Message.Chat.ID, message)
 	msg.ParseMode = "Markdown"
 
diff --git a/lib/users/users.go b/lib/users/users.go
index 328e4ec..0c6b70b 100644
--- a/lib/users/users.go
+++ b/lib/users/users.go
@@ -89,7 +89,7 @@ func (u *Users) usersList(update *tgbotapi.Update, page int, usersArray []dbmapp
 				message += " " + usersArray[i].League.Symbol
 				message += " " + usersArray[i].Profile.Nickname
 				if usersArray[i].Profile.TelegramNickname != "" {
-					message += " (@" + usersArray[i].Profile.TelegramNickname + ")"
+					message += " (@" + u.FormatUsername(usersArray[i].Profile.TelegramNickname) + ")"
 				}
 				message += "\n"
 				message += "Telegram ID: " + strconv.Itoa(usersArray[i].Player.TelegramID) + "\n"
diff --git a/lib/users/usersinterface/usersinterface.go b/lib/users/usersinterface/usersinterface.go
index 5a8af98..c6cb5bf 100644
--- a/lib/users/usersinterface/usersinterface.go
+++ b/lib/users/usersinterface/usersinterface.go
@@ -19,6 +19,7 @@ type UsersInterface interface {
 	GetPlayerByID(playerID int) (dbmapping.Player, bool)
 	PlayerBetterThan(playerRaw *dbmapping.Player, powerLevel string) bool
 
+	FormatUsername(userName string) string
 	ProfileMessage(update *tgbotapi.Update, playerRaw *dbmapping.Player) string
 	UsersList(update *tgbotapi.Update) string
 }