diff --git a/pyrogram/types/user_and_chats/chat.py b/pyrogram/types/user_and_chats/chat.py
index a9d396eb..6dc3fb82 100644
--- a/pyrogram/types/user_and_chats/chat.py
+++ b/pyrogram/types/user_and_chats/chat.py
@@ -247,7 +247,8 @@ class Chat(Object):
             is_fake=getattr(channel, "fake", None),
             title=channel.title,
             username=getattr(channel, "username", None),
-            photo=types.ChatPhoto._parse(client, getattr(channel, "photo", None), peer_id, channel.access_hash),
+            photo=types.ChatPhoto._parse(client, getattr(channel, "photo", None), peer_id,
+                                         getattr(channel, "access_hash", 0)),
             restrictions=types.List([types.Restriction._parse(r) for r in restriction_reason]) or None,
             permissions=types.ChatPermissions._parse(getattr(channel, "default_banned_rights", None)),
             members_count=getattr(channel, "participants_count", None),