diff --git a/examples/customlabels/main.go b/examples/customlabels/main.go
index fcfce295e..966544a05 100644
--- a/examples/customlabels/main.go
+++ b/examples/customlabels/main.go
@@ -33,7 +33,7 @@ func main() {
 
 	// Create a new registry.
 	reg := prometheus.NewRegistry()
-	prometheus.WrapRegistererWith(prometheus.Labels{"serviceName": "my-service-name"}, reg).MustRegister(
+	prometheus.WrapRegistererWith(prometheus.Labels{"service": "my-service-name"}, reg).MustRegister(
 		collectors.NewGoCollector(),
 		collectors.NewProcessCollector(collectors.ProcessCollectorOpts{}),
 	)