diff --git a/telethon/client/chats.py b/telethon/client/chats.py
index daab610b..73dc0312 100644
--- a/telethon/client/chats.py
+++ b/telethon/client/chats.py
@@ -966,7 +966,7 @@ class ChatMethods:
                 is_admin = any(locals()[x] for x in perm_names)
 
             return await self(functions.messages.EditChatAdminRequest(
-                entity, user, is_admin=is_admin))
+                entity.chat_id, user, is_admin=is_admin))
 
         else:
             raise ValueError(