diff --git a/src/app.js b/src/app.js
index b45bd09..a3cfb4e 100644
--- a/src/app.js
+++ b/src/app.js
@@ -6,6 +6,6 @@ function greet(name) {
 
 module.exports = greet;
 
-// if (require.main === module) {
-//     console.log(greet("World"))
-// }
+if (require.main === module) {
+    console.log(greet("World"))
+}