diff --git a/app/services/chat_service.py b/app/services/chat_service.py
index 9a45d80..5fc3b6b 100644
--- a/app/services/chat_service.py
+++ b/app/services/chat_service.py
@@ -3,7 +3,8 @@ from urllib.parse import urljoin
 
 from pydantic import ValidationError
 
-from app.chat.exceptions import UserDontHavePermissionException, UserCanNotReadThisChatException
+from app.chat.exceptions import UserDontHavePermissionException, UserCanNotReadThisChatException, \
+	UserAlreadyInChatException
 from app.chat.shemas import SAllowedChats, SChangeData, SPinnedChats, SChat
 from app.config import settings
 from app.services.redis_service import RedisService
@@ -50,7 +51,10 @@ class ChatService:
 				avatar_image=user_chat_for.avatar_image
 			)
 			await uow.chat.add_user_to_chat(user_id, chat_id)
-			await uow.chat.add_user_to_chat(settings.ADMIN_USER_ID, chat_id)
+			try:
+				await uow.chat.add_user_to_chat(settings.ADMIN_USER_ID, chat_id)
+			except UserAlreadyInChatException:
+				pass
 			async with RedisService(is_raise=True) as redis:
 				await redis.delete_key(key=f"user_allowed_chats: {user_id}")
 			await uow.commit()