diff --git a/javascript/packages/orchestrator/src/providers/native/nativeClient.ts b/javascript/packages/orchestrator/src/providers/native/nativeClient.ts
index bf3340819..6d1280da1 100644
--- a/javascript/packages/orchestrator/src/providers/native/nativeClient.ts
+++ b/javascript/packages/orchestrator/src/providers/native/nativeClient.ts
@@ -464,8 +464,10 @@ export class NativeClient extends Client {
     // sleep
     if (timeout) await sleep(timeout * 1000);
 
-    // start
-    const log = fs.createWriteStream(this.processMap[name].logs);
+    // start without override the log file.
+    const log = fs.createWriteStream(this.processMap[name].logs, {
+      flags: "a",
+    });
     console.log(["-c", ...this.processMap[name].cmd!]);
     const nodeProcess = spawn(this.command, [
       "-c",