diff --git a/cmd/dendrite-demo-yggdrasil/main.go b/cmd/dendrite-demo-yggdrasil/main.go
index de5c12c87..040427567 100644
--- a/cmd/dendrite-demo-yggdrasil/main.go
+++ b/cmd/dendrite-demo-yggdrasil/main.go
@@ -197,7 +197,7 @@ func main() {
 		logrus.Fatal(httpServer.Serve(ygg))
 	}()
 	go func() {
-		httpBindAddr := fmt.Sprintf(":%d", *instancePort)
+		httpBindAddr := fmt.Sprintf("localhost:%d", *instancePort)
 		logrus.Info("Listening on ", httpBindAddr)
 		logrus.Fatal(http.ListenAndServe(httpBindAddr, nil))
 	}()