diff --git a/0_download_dialogs_list.py b/0_download_dialogs_list.py
index 0f255bb..a810740 100644
--- a/0_download_dialogs_list.py
+++ b/0_download_dialogs_list.py
@@ -85,7 +85,7 @@ async def save_dialogs(client, dialogs_limit):
     SESSION_NAME = args.session_name
 
     config = init_config(CONFIG_PATH)
-    client = TelegramClient(SESSION_NAME, config["api_id"], config["api_hash"])
+    client = TelegramClient(SESSION_NAME, config["api_id"], config["api_hash"], system_version="4.16.30-vxCUSTOM")
 
     DIALOGS_LIST_FOLDER = config["dialogs_list_folder"]
 
diff --git a/1_download_dialogs_data.py b/1_download_dialogs_data.py
index ae3dbcc..306b826 100644
--- a/1_download_dialogs_data.py
+++ b/1_download_dialogs_data.py
@@ -243,7 +243,7 @@ async def download_dialog(client, id, MSG_LIMIT, config):
 
     config = init_config(CONFIG_PATH)
     dialogs_list = read_dialogs(config["dialogs_list_folder"])
-    client = telethon.TelegramClient(SESSION_NAME, config["api_id"], config["api_hash"])
+    client = telethon.TelegramClient(SESSION_NAME, config["api_id"], config["api_hash"], system_version="4.16.30-vxCUSTOM")
 
     DIALOGS_ID = dialogs_id_input_handler(args.dialogs_ids, is_dialog_type_accepted, dialogs_list)