diff --git a/doc/api/inspector.md b/doc/api/inspector.md
index c801510b7563f2..9dafdb7e1b3d6c 100644
--- a/doc/api/inspector.md
+++ b/doc/api/inspector.md
@@ -145,7 +145,7 @@ protocol. Here's a simple example showing how to use the [CPU profiler][]:
 
 ```js
 const inspector = require('inspector');
-
+const fs = require('fs');
 const session = new inspector.Session();
 session.connect();
 
@@ -154,8 +154,11 @@ session.post('Profiler.enable', () => {
     // invoke business logic under measurement here...
 
     // some time later...
-    session.post('Profiler.stop', ({ profile }) => {
+    session.post('Profiler.stop', (err, { profile }) => {
       // write profile to disk, upload, etc.
+      if (!err) {
+        fs.writeFileSync('./profile.cpuprofile', JSON.stringify(profile));
+      }
     });
   });
 });