diff --git a/telebot/types.py b/telebot/types.py
index 195cd9a..a8f2d44 100644
--- a/telebot/types.py
+++ b/telebot/types.py
@@ -86,6 +86,7 @@ class Update(JsonDeserializable):
         obj = cls.check_json(json_type)
         update_id = obj['update_id']
         message = None
+        edited_message = None
         inline_query = None
         chosen_inline_result = None
         callback_query = None