diff --git a/backend/app/api/timeline.py b/backend/app/api/timeline.py
index e49dccd..a03f653 100644
--- a/backend/app/api/timeline.py
+++ b/backend/app/api/timeline.py
@@ -115,7 +115,20 @@ async def create_new_timeline(
         image_urls = await asyncio.gather(*[_upload_one(f) for f in files])
         await add_images_to_timeline(db, post, image_urls)
 
-    return _build_timeline_out(post, user.id)
+    return TimelineOut(
+        id=post.id,
+        class_id=post.class_id,
+        author_id=post.author_id,
+        author_name=user.name,
+        title=post.title,
+        content=post.content,
+        image_urls=image_urls,
+        like_count=0,
+        has_liked=False,
+        comment_count=0,
+        created_at=post.created_at,
+        updated_at=post.updated_at,
+    )
 
 
 @router.post("/{post_id}/images")