diff --git a/example_test.go b/example_test.go
index 0ca4a4e56..42258aa06 100644
--- a/example_test.go
+++ b/example_test.go
@@ -165,27 +165,43 @@ func ExampleNamespace() {
 	// {"level":"info","msg":"tracked some metrics","metrics":{"counter":1}}
 }
 
+type addr struct {
+	IP   string
+	Port int
+}
+
 type request struct {
-	URL string
-	IP  string
+	URL    string
+	Listen addr
+	Remote addr
+}
+
+func (a addr) MarshalLogObject(enc zapcore.ObjectEncoder) error {
+	enc.AddString("ip", a.IP)
+	enc.AddInt("port", a.Port)
+	return nil
 }
 
 func (r request) MarshalLogObject(enc zapcore.ObjectEncoder) error {
 	enc.AddString("url", r.URL)
-	enc.AddString("ip", r.IP)
-	return nil
+	zap.InlineObject(r.Listen).AddTo(enc)
+	return enc.AddObject("remote", r.Remote)
 }
 
 func ExampleObject() {
 	logger := zap.NewExample()
 	defer logger.Sync()
 
-	req := &request{"/test", "127.0.0.1"}
+	req := &request{
+		URL:    "/test",
+		Listen: addr{"127.0.0.1", 8080},
+		Remote: addr{"127.0.0.1", 31200},
+	}
 	logger.Info("new request, in nested object", zap.Object("req", req))
 	logger.Info("new request, inline", zap.InlineObject(req))
 	// Output:
-	// {"level":"info","msg":"new request, in nested object","req":{"url":"/test","ip":"127.0.0.1"}}
-	// {"level":"info","msg":"new request, inline","url":"/test","ip":"127.0.0.1"}
+	// {"level":"info","msg":"new request, in nested object","req":{"url":"/test","ip":"127.0.0.1","port":8080,"remote":{"ip":"127.0.0.1","port":31200}}}
+	// {"level":"info","msg":"new request, inline","url":"/test","ip":"127.0.0.1","port":8080,"remote":{"ip":"127.0.0.1","port":31200}}
 }
 
 func ExampleNewStdLog() {