diff --git a/tools/ob_admin/backup_tool/ob_admin_dump_backup_data_executor.cpp b/tools/ob_admin/backup_tool/ob_admin_dump_backup_data_executor.cpp
index 375a64ab1..94aaf5c16 100644
--- a/tools/ob_admin/backup_tool/ob_admin_dump_backup_data_executor.cpp
+++ b/tools/ob_admin/backup_tool/ob_admin_dump_backup_data_executor.cpp
@@ -970,6 +970,8 @@ int ObAdminDumpBackupDataExecutor::dump_tenant_backup_path_()
   } else if (OB_FAIL(op.get_backup_set_array(backup_set_array))) {
     STORAGE_LOG(WARN, "fail to get backup set names", K(ret));
   } else if (!backup_set_array.empty()) {
+    storage::ObBackupDataStore::ObBackupSetDescComparator cmp;
+    std::sort(backup_set_array.begin(), backup_set_array.end(), cmp);
     for (int64_t i = backup_set_array.count() - 1; OB_SUCC(ret) && i >= 0; i--) {
       path.reset();
       const share::ObBackupSetDesc &backup_set_dir = backup_set_array.at(i);