diff --git a/telegram/formatter/formatter.go b/telegram/formatter/formatter.go
index 72337bb..2c06ac4 100644
--- a/telegram/formatter/formatter.go
+++ b/telegram/formatter/formatter.go
@@ -194,7 +194,7 @@ func mentionBraces(entity *client.TextEntity, nickname string) []*insertion {
 	return []*insertion{
 		&insertion{
 			Offset:    entity.Offset,
-			Runes:     []rune(nickname),
+			Runes:     []rune("@" + nickname),
 			Type:      insertionOpening,
 			Replacing: true,
 		},