1 files changed, 2 insertions, 2 deletions
diff --git a/test/parallel/test-cluster-net-send.js b/test/parallel/test-cluster-net-send.js
index bf0ee4e4f4..14ce58474f 100644
--- a/test/parallel/test-cluster-net-send.js
+++ b/test/parallel/test-cluster-net-send.js
@@ -26,7 +26,7 @@ const fork = require('child_process').fork;
 const net = require('net');
 
 if (process.argv[2] !== 'child') {
-  console.error('[%d] master', process.pid);
+  console.error(`[${process.pid}] master`);
 
   const worker = fork(__filename, ['child']);
   let called = false;
@@ -50,7 +50,7 @@ if (process.argv[2] !== 'child') {
     assert.ok(called);
   });
 } else {
-  console.error('[%d] worker', process.pid);
+  console.error(`[${process.pid}] worker`);
 
   let socket;
   let cbcalls = 0;