diff --git a/pyrogram/client/client.py b/pyrogram/client/client.py
index 3ca979de..1f25c537 100644
--- a/pyrogram/client/client.py
+++ b/pyrogram/client/client.py
@@ -906,7 +906,7 @@ class Client(Methods, BaseClient):
                     "More info: https://docs.pyrogram.ml/start/ProjectSetup#configuration"
                 )
 
-        for option in {"app_version", "device_model", "system_version", "lang_code"}:
+        for option in ["app_version", "device_model", "system_version", "lang_code"]:
             if getattr(self, option):
                 pass
             else: