diff --git a/telegram/formatter/formatter.go b/telegram/formatter/formatter.go
index d6541cb..53b4625 100644
--- a/telegram/formatter/formatter.go
+++ b/telegram/formatter/formatter.go
@@ -59,8 +59,8 @@ func SortEntities(entities []*client.TextEntity) []*client.TextEntity {
 	copy(sortedEntities, entities)
 
 	sort.Slice(sortedEntities, func(i int, j int) bool {
-		entity1 := entities[i]
-		entity2 := entities[j]
+		entity1 := sortedEntities[i]
+		entity2 := sortedEntities[j]
 		if entity1.Offset < entity2.Offset {
 			return true
 		} else if entity1.Offset == entity2.Offset {