diff --git a/orchestration/sharepoint_renamer_orchestrator.py b/orchestration/sharepoint_renamer_orchestrator.py
index 5a722f5af..68857a60b 100644
--- a/orchestration/sharepoint_renamer_orchestrator.py
+++ b/orchestration/sharepoint_renamer_orchestrator.py
@@ -149,7 +149,7 @@ class SharepointRenamerOrchestrator:
         logger.warning(
             f"Missing folder for UPRN {uprn} in any root: {address}, {postcode}"
         )
-        return RenameSummary()
+        return RenameSummary(missing_folders=[uprn])
 
     def _process_folder(
         self, folder_path: str, uprn: str, address: str, postcode: str