diff --git a/isaac_ros_nitros/src/nitros_node.cpp b/isaac_ros_nitros/src/nitros_node.cpp
index f28ee44..c73621a 100644
--- a/isaac_ros_nitros/src/nitros_node.cpp
+++ b/isaac_ros_nitros/src/nitros_node.cpp
@@ -1,5 +1,5 @@
 // SPDX-FileCopyrightText: NVIDIA CORPORATION & AFFILIATES
-// Copyright (c) 2022-2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+// Copyright (c) 2022-2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -15,6 +15,7 @@
 //
 // SPDX-License-Identifier: Apache-2.0
 
+#include <unistd.h>
 #include <filesystem>
 
 #include <ament_index_cpp/get_package_share_directory.hpp>
@@ -56,7 +57,7 @@ const std::vector<std::string> PRESET_EXTENSION_SPEC_NAMES = {
 namespace
 {
 // Generate a random string of the given length
-unsigned int seed = time(NULL);
+unsigned int seed = time(NULL) ^ getpid();
 std::string GenerateRandomString(const size_t length)
 {
   std::string output_string;