diff --git a/pyrogram/client/types/messages_and_media/photo.py b/pyrogram/client/types/messages_and_media/photo.py
index 36d37cac..fe0678ab 100644
--- a/pyrogram/client/types/messages_and_media/photo.py
+++ b/pyrogram/client/types/messages_and_media/photo.py
@@ -82,7 +82,7 @@ class Photo(Object):
     @staticmethod
     def _parse(client, photo: types.Photo, ttl_seconds: int = None) -> "Photo":
         if isinstance(photo, types.Photo):
-            big = photo.sizes[-1]
+            big = list(filter(lambda p: isinstance(p, types.PhotoSize), photo.sizes))[-1]
 
             return Photo(
                 file_id=encode_file_id(