diff --git a/services/storage/src/simcore_service_storage/s3_utils.py b/services/storage/src/simcore_service_storage/s3_utils.py
index 4a159838cbee..72bb0362f1f1 100644
--- a/services/storage/src/simcore_service_storage/s3_utils.py
+++ b/services/storage/src/simcore_service_storage/s3_utils.py
@@ -39,7 +39,7 @@ def _update(self) -> None:
         update_task_progress(
             self.task_progress,
             f"{self.task_progress_message_prefix} - "
-            f"{self.total_bytes_to_transfer.human_readable()}]",
+            f"{self.total_bytes_to_transfer.human_readable()}",
             ProgressPercent(
                 min(self._total_bytes_copied, self.total_bytes_to_transfer)
                 / (self.total_bytes_to_transfer or 1)