diff --git a/nxdrive/engine/activity.py b/nxdrive/engine/activity.py
index c4436469ff..c22a70900a 100644
--- a/nxdrive/engine/activity.py
+++ b/nxdrive/engine/activity.py
@@ -266,6 +266,7 @@ def __init__(
             doc_pair=doc_pair,
         )
         self.progress = size
+        self.finalizing_status = ""
 
     def export(self) -> Dict[str, Any]:
         return {