diff --git a/test/parallel/test-child-process-default-options.js b/test/parallel/test-child-process-default-options.js
index b09c2d316f..18a5dd5e48 100644
--- a/test/parallel/test-child-process-default-options.js
+++ b/test/parallel/test-child-process-default-options.js
@@ -45,5 +45,6 @@ child.stdout.on('data', function(chunk) {
 
 process.on('exit', function() {
   assert.ok(response.includes('HELLO=WORLD'),
-            'spawn did not use process.env as default');
+            'spawn did not use process.env as default' +
+            `(process.env.HELLO = ${process.env.HELLO})`);
 });