diff --git a/metropolis/test/launch/cluster/cluster.go b/metropolis/test/launch/cluster/cluster.go
index 9bce17c..4cbfede 100644
--- a/metropolis/test/launch/cluster/cluster.go
+++ b/metropolis/test/launch/cluster/cluster.go
@@ -967,6 +967,11 @@
 						RegisterTicket:   ticket,
 						ClusterDirectory: resI.ClusterDirectory,
 						CaCertificate:    resI.CaCertificate,
+						Labels: &cpb.NodeLabels{
+							Pairs: []*cpb.NodeLabels_Pair{
+								{Key: "test-node-id", Value: fmt.Sprintf("%d", i)},
+							},
+						},
 					},
 				},
 			},