diff --git a/with-post-step/main.js b/with-post-step/main.js
index cdef47a..6fa5332 100644
--- a/with-post-step/main.js
+++ b/with-post-step/main.js
@@ -26,14 +26,13 @@
  * ================================================================================================================== */
 const { exec } = require("child_process");
 
-function run(cmd) {
-  exec(cmd, (error, stdout, stderr) => {
-    if ( stdout.length !== 0 ) { console.log(`${stdout}`); }
-    if ( stderr.length !== 0 ) { console.error(`${stderr}`); }
-    if (error) {
-      process.exitCode = error.code;
-      console.error(`${error}`);
-    }
+function run(cmdline) {
+  var args = cmdline.split(' ');
+  const cmd = args.shift();
+
+  const subprocess = spawn(cmd, args, { stdio: 'inherit' });
+  subprocess.on('exit', (exit_code) => {
+    process.exitCode = exit_code
   });
 }