diff --git a/pyrogram/client/ext/base_client.py b/pyrogram/client/ext/base_client.py
index 04862e88..ce3d5591 100644
--- a/pyrogram/client/ext/base_client.py
+++ b/pyrogram/client/ext/base_client.py
@@ -35,7 +35,7 @@ class BaseClient:
 
     MEDIA_TYPE_ID = {
         0: "thumbnail",
-        1: "thumbnail",
+        1: "chat_photo",
         2: "photo",
         3: "voice",
         4: "video",