diff --git a/cmd/example-gcp/main.go b/cmd/example-gcp/main.go
index ad7414600..fb458178d 100644
--- a/cmd/example-gcp/main.go
+++ b/cmd/example-gcp/main.go
@@ -64,4 +64,8 @@ func main() {
 
 		// TODO: Add entry to log and return assigned index.
 	})
+
+	if err := http.ListenAndServe(*listen, http.DefaultServeMux); err != nil {
+		klog.Exitf("ListenAndServe: %v", err)
+	}
 }