diff --git a/lib/tool_shed/metadata/repository_metadata_manager.py b/lib/tool_shed/metadata/repository_metadata_manager.py
index 4cffd8d8cb19..03c5562d5c02 100644
--- a/lib/tool_shed/metadata/repository_metadata_manager.py
+++ b/lib/tool_shed/metadata/repository_metadata_manager.py
@@ -1084,7 +1084,7 @@ def get_repository_metadata(session, repository_id):
     stmt = (
         select(RepositoryMetadata)
         .where(RepositoryMetadata.repository_id == repository_id)
-        .order_by(RepositoryMetadata.changeset_revision, RepositoryMetadata.update_time.desc())
+        .order_by(RepositoryMetadata.changeset_revision, RepositoryMetadata.update_time.desc())  # type: ignore[attr-defined]  # mapped attribute
     )
     return session.scalars(stmt)