diff --git a/app/core/models/_telegram/templates/player.py b/app/core/models/_telegram/templates/player.py
index ec81b6f..c50bd5c 100644
--- a/app/core/models/_telegram/templates/player.py
+++ b/app/core/models/_telegram/templates/player.py
@@ -9,7 +9,7 @@ import json
 
 
 class PlayerTemplates:
-    async def send_content(self, db_session, content: StoredContent, extra_buttons=None, message_id=None):
+    async def send_content(self, db_session, content: StoredContent, extra_buttons=[], message_id=None):
         local_content = None
         content_type, content_encoding = 'application', 'x-binary'
         cd_log = ""