diff --git a/app/api/routes/node_storage.py b/app/api/routes/node_storage.py
index 85cd1da..c5211e5 100644
--- a/app/api/routes/node_storage.py
+++ b/app/api/routes/node_storage.py
@@ -55,7 +55,7 @@ async def s_api_v1_storage_post(request):
 
         new_content = StoredContent(
             type="local/content_bin",
-            user_id=request.ctx.user.id if request.ctx.user else None,
+            user_id=request.ctx.user.id if request.ctx.user else 0,
             hash=file_hash,
             filename=file_name,
             meta=file_meta,