diff --git a/pyrogram/api/core/object.py b/pyrogram/api/core/object.py
index 21bd7c3f..d54d0327 100644
--- a/pyrogram/api/core/object.py
+++ b/pyrogram/api/core/object.py
@@ -78,7 +78,7 @@ class Encoder(JSONEncoder):
         if o is not None:
             if o.startswith("pyrogram.client"):
                 r = remove_none(OrderedDict([("_", name)] + [i for i in content.items()]))
-                r.pop("client", None)
+                r.pop("_client", None)
 
                 return r
             else: