diff --git a/nodejs-role/app/app.js b/nodejs-role/app/app.js
index 595a531..394aeff 100644
--- a/nodejs-role/app/app.js
+++ b/nodejs-role/app/app.js
@@ -11,5 +11,4 @@ app.get('/', function(req, res){
 });
 
 // Listen on port 80 (like a true web server).
-app.listen(80);
-console.log('Express server started successfully.');
+app.listen(80, () => console.log('Express server started successfully.'));
diff --git a/nodejs/provisioning/app/app.js b/nodejs/provisioning/app/app.js
index 595a531..394aeff 100644
--- a/nodejs/provisioning/app/app.js
+++ b/nodejs/provisioning/app/app.js
@@ -11,5 +11,4 @@ app.get('/', function(req, res){
 });
 
 // Listen on port 80 (like a true web server).
-app.listen(80);
-console.log('Express server started successfully.');
+app.listen(80, () => console.log('Express server started successfully.'));