diff --git a/backend/app/pypi_proxy.py b/backend/app/pypi_proxy.py
index b376e78..7d59c48 100644
--- a/backend/app/pypi_proxy.py
+++ b/backend/app/pypi_proxy.py
@@ -373,7 +373,7 @@ async def pypi_download_file(
 
             # Stream from S3
             try:
-                content_stream = storage.get_artifact_stream(artifact.id)
+                content_stream = storage.get_stream(artifact.s3_key)
 
                 return StreamingResponse(
                     content_stream,
@@ -488,7 +488,7 @@ async def pypi_download_file(
             system_project = Project(
                 name="_pypi",
                 description="System project for cached PyPI packages",
-                is_public=False,
+                is_public=True,
                 is_system=True,
                 created_by="pypi-proxy",
             )