diff --git a/backend/app/schemas.py b/backend/app/schemas.py
index 769c77d..b3de70d 100644
--- a/backend/app/schemas.py
+++ b/backend/app/schemas.py
@@ -77,6 +77,7 @@ class ProjectOut(ORMModel):
 class ArticleOut(ORMModel):
     id: int
     slug: str
+    author_id: int | None = None
     title: str
     title_en: str = ""
     date: str