diff --git a/pyrogram/utils.py b/pyrogram/utils.py
index bc0d1421..b8796b2f 100644
--- a/pyrogram/utils.py
+++ b/pyrogram/utils.py
@@ -274,9 +274,9 @@ def unpack_inline_message_id(inline_message_id: str) -> "raw.base.InputBotInline
 
 
 MIN_CHANNEL_ID_OLD = -1002147483647
-MIN_CHANNEL_ID = -1009999999999
+MIN_CHANNEL_ID = -100999999999999
 MAX_CHANNEL_ID = -1000000000000
-MIN_CHAT_ID = -2147483647
+MIN_CHAT_ID = -999999999999
 MAX_USER_ID_OLD = 2147483647
 MAX_USER_ID = 999999999999