diff --git a/nds/nds_gen_data.py b/nds/nds_gen_data.py
index 72611ed..d1117ee 100644
--- a/nds/nds_gen_data.py
+++ b/nds/nds_gen_data.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 #
-# SPDX-FileCopyrightText: Copyright (c) 2022 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+# SPDX-FileCopyrightText: Copyright (c) 2022-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 # SPDX-License-Identifier: Apache-2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -214,7 +214,7 @@ def generate_data_local(args, range_start, range_end, tool_path):
                        "-parallel", args.parallel,
                        "-child", str(i),
                        "-verbose", "Y"]
-        if args.overwrite_output:
+        if args.overwrite_output or args.update:
             dsdgen_args += ["-force", "Y"]
         if args.update:
             dsdgen_args += ["-update", args.update]