diff --git a/test/parallel/test-net-connect-paused-connection.js b/test/parallel/test-net-connect-paused-connection.js
index a53177ed4c7e7e..801bba1cf5b2be 100644
--- a/test/parallel/test-net-connect-paused-connection.js
+++ b/test/parallel/test-net-connect-paused-connection.js
@@ -26,8 +26,8 @@ const net = require('net');
 
 net.createServer(function(conn) {
   conn.unref();
-}).listen(0, function() {
+}).listen(0, common.mustCall(function() {
   net.connect(this.address().port, 'localhost').pause();
 
   setTimeout(common.mustNotCall('expected to exit'), 1000).unref();
-}).unref();
+})).unref();