diff --git a/metropolis/test/launch/cluster/cluster.go b/metropolis/test/launch/cluster/cluster.go
index 0c85fc3..b3049e3 100644
--- a/metropolis/test/launch/cluster/cluster.go
+++ b/metropolis/test/launch/cluster/cluster.go
@@ -912,7 +912,7 @@
 		if cs.Status == nil {
 			continue
 		}
-		if cs.Status.Timestamp > is.Status.Timestamp {
+		if cs.Status.Timestamp.AsTime().Sub(is.Status.Timestamp.AsTime()) > 0 {
 			break
 		}
 		time.Sleep(time.Second)