diff --git a/buildSrc/src/main/java/org/opensearch/gradle/testclusters/OpenSearchNode.java b/buildSrc/src/main/java/org/opensearch/gradle/testclusters/OpenSearchNode.java
index 268de50340cbf..0aee5805133a1 100644
--- a/buildSrc/src/main/java/org/opensearch/gradle/testclusters/OpenSearchNode.java
+++ b/buildSrc/src/main/java/org/opensearch/gradle/testclusters/OpenSearchNode.java
@@ -742,7 +742,7 @@ private void runOpenSearchBinScript(String tool, CharSequence... args) {
     }
 
     private Map<String, String> getOpenSearchEnvironment() {
-        Map<String, String> defaultEnv = new HashMap<>();
+        Map<String, String> defaultEnv = System.getenv();
         getRequiredJavaHome().ifPresent(javaHome -> defaultEnv.put("JAVA_HOME", javaHome));
         defaultEnv.put("OPENSEARCH_PATH_CONF", configFile.getParent().toString());
         String systemPropertiesString = "";