diff --git a/src/ai_client.py b/src/ai_client.py
index f415069c..187f9510 100644
--- a/src/ai_client.py
+++ b/src/ai_client.py
@@ -1086,7 +1086,7 @@ def _reread_file_items_result(file_items: FileItems) -> Result[FileItemsDiff]:
    refreshed.append(err_item)
    changed.append(err_item)
    errors.append(ErrorInfo(kind=ErrorKind.INTERNAL, message=f"failed to re-read {p}: {e}", source="ai_client._reread_file_items_result", original=e))
- return Result(data=(refreshed, changed), errors=errors)
+ return Result(data=FileItemsDiff(refreshed=refreshed, changed=changed), errors=errors)
 
 
 def _build_file_context_text(file_items: FileItems) -> str: