diff --git a/shard_core/service/backup.py b/shard_core/service/backup.py
index b93f428..c792347 100644
--- a/shard_core/service/backup.py
+++ b/shard_core/service/backup.py
@@ -36,6 +36,7 @@
 --crypt-remote :azureblob:{container_name}
 sync {directory} :crypt:{container_name}/{directory}
 --create-empty-src-dirs --stats-log-level NOTICE --stats 1000m --use-json-log
+--fast-list --azureblob-no-check-container
 """
 
 CLEARTEXT_COMMAND_TEMPLATE = """
@@ -43,6 +44,7 @@
 --azureblob-sas-url {sas_token}
 sync {directory} :azureblob:{container_name}/{directory}
 --create-empty-src-dirs --stats-log-level NOTICE --stats 1000m --use-json-log
+--fast-list --azureblob-no-check-container
 """