diff --git a/app/lists/mirror_mapping.py b/app/lists/mirror_mapping.py
index 8414611..16be1c0 100644
--- a/app/lists/mirror_mapping.py
+++ b/app/lists/mirror_mapping.py
@@ -44,8 +44,8 @@ def mirror_mapping(pool: Pool) -> Dict[str, Union[str, Dict[str, str]]]:
                 origin_domain=d.origin.domain_name,
                 origin_domain_normalized=d.origin.domain_name.replace("www.", ""),
                 origin_domain_root=extract(d.origin.domain_name).registered_domain,
-                valid_from=d.origin.added.isoformat(),
-                valid_to=d.origin.destroyed.isoformat() if d.origin.destroyed is not None else None
+                valid_from=d.added.isoformat(),
+                valid_to=d.destroyed.isoformat() if d.destroyed is not None else None
             ) for d in Proxy.query.all() if d.url is not None
         },
         s3_buckets=[