diff --git a/TelegramCore/Serialization.swift b/TelegramCore/Serialization.swift
index 76a387ab8c..beb86d4d93 100644
--- a/TelegramCore/Serialization.swift
+++ b/TelegramCore/Serialization.swift
@@ -93,7 +93,7 @@ public class BoxedMessage: NSObject {
 
 public class Serialization: NSObject, MTSerialization {
     public func currentLayer() -> UInt {
-        return 77
+        return 76
     }
     
     public func parseMessage(_ data: Data!) -> Any! {