diff --git a/controller.go b/controller.go
index c6a434178c9cf4b1c15c46e1d9c8ff4bb2d06289..0ad936e2c18056e6252886cdc9434870a8d6ce3f 100644
--- a/controller.go
+++ b/controller.go
@@ -69,6 +69,7 @@ func startGrpcServer() error {
 	if err != nil {
 		return err
 	}
+	log.Infof("listening to %v", lis.Addr())
 	c.grpcServer = grpc.NewServer()
 	c.nbi = nbi.NewNBI(c.pndc)
 	pb.RegisterCoreServer(c.grpcServer, c.nbi.Core)