diff --git a/resolvers/chats.py b/resolvers/chats.py
index 087d3a8..21122f0 100644
--- a/resolvers/chats.py
+++ b/resolvers/chats.py
@@ -4,7 +4,6 @@ import uuid
 
 from models.chat import Chat, ChatUpdate
 from services.auth import login_required
-from services.core import get_all_authors
 from services.presence import notify_chat
 from services.rediscache import redis
 from services.schema import mutation
diff --git a/services/auth.py b/services/auth.py
index 5ab8189..513242c 100644
--- a/services/auth.py
+++ b/services/auth.py
@@ -2,7 +2,7 @@ from functools import wraps
 from aiohttp import ClientSession
 from starlette.exceptions import HTTPException
 
-from services.core import get_author
+from services.core import get_author_by_user
 from settings import AUTH_URL
 
 
@@ -60,7 +60,7 @@ def login_required(f):
         user_id = await check_auth(req)
         if user_id:
             context["user_id"] = user_id
-            author = get_author(user_id)
+            author = get_author_by_user(user_id)
             if author and "id" in author:
                 context["author_id"] = author["id"]
         return await f(*args, **kwargs)