diff --git a/src/js/app.js b/src/js/app.js
index aab769e..6cd463f 100644
--- a/src/js/app.js
+++ b/src/js/app.js
@@ -52,12 +52,12 @@ const { RouteModel, RouteView } = require('./route');
     }
   };
 
-  /*if ('serviceWorker' in navigator)
+  if ('serviceWorker' in navigator)
     navigator.serviceWorker
       .register('./service-worker.js')
       .then(function() {
         console.log('Service Worker Registered');
-      });*/
+      });
 
   app.createViews();
 })();