diff --git a/app/api/routes/_blockchain.py b/app/api/routes/_blockchain.py
index bb7881a..6c9e13b 100644
--- a/app/api/routes/_blockchain.py
+++ b/app/api/routes/_blockchain.py
@@ -77,7 +77,7 @@ async def s_api_v1_blockchain_send_new_content_message(request):
 
         metadata_content = await create_metadata_for_item(
             request.ctx.db_session,
-            title=f"{', '.join(request.json['authors'])} - {request.json['title']}",
+            title=f"{', '.join(request.json['authors'])} - {request.json['title']}" if request.json['authors'] else request.json['title'],
             cover_url=f"{PROJECT_HOST}/api/v1/storage/{image_content_cid.serialize_v2()}" if image_content_cid else None,
             authors=request.json['authors']
         )
diff --git a/app/api/routes/node_storage.py b/app/api/routes/node_storage.py
index 56898ee..ab57a38 100644
--- a/app/api/routes/node_storage.py
+++ b/app/api/routes/node_storage.py
@@ -109,14 +109,14 @@ async def s_api_v1_storage_get(request, file_hash=None):
         content_file_bin = await file.read()
 
     accept_type = cid.accept_type or request.headers.get("Accept")
-    accept_type = accept_type or "application/octet-stream"
+    accept_type = accept_type or content.meta.get("content_type")
     if accept_type:
         if accept_type == "application/json":
             return response.json(
                 json.loads(content_file_bin.decode())
             )
 
-    return response.raw(body=content_file_bin, content_type=accept_type)
+    return response.raw(body=content_file_bin, **({'content_type': accept_type} if accept_type else {}))
 
 
 async def s_api_v1_storage_decode_cid(request, content_id=None):