diff --git a/setup/jetstream/nats.go b/setup/jetstream/nats.go
index 0d309629a..c5464ddd9 100644
--- a/setup/jetstream/nats.go
+++ b/setup/jetstream/nats.go
@@ -68,13 +68,13 @@ func setupNATS(cfg *config.JetStream, nc *natsclient.Conn) (nats.JetStreamContex
 	}
 
 	for _, stream := range streams {
-		stream.Name = cfg.TopicFor(stream.Name)
-		info, err := s.StreamInfo(stream.Name)
+		name := cfg.TopicFor(stream.Name)
+		info, err := s.StreamInfo(name)
 		if err != nil && err != natsclient.ErrStreamNotFound {
 			logrus.WithError(err).Fatal("Unable to get stream info")
 		}
 		if info == nil {
-			stream.Subjects = []string{stream.Name}
+			stream.Subjects = []string{name}
 			// If we're trying to keep everything in memory (e.g. unit tests)
 			// then overwrite the storage policy.
 			if cfg.InMemory {
@@ -82,7 +82,7 @@ func setupNATS(cfg *config.JetStream, nc *natsclient.Conn) (nats.JetStreamContex
 			}
 
 			if _, err = s.AddStream(stream); err != nil {
-				logrus.WithError(err).WithField("stream", stream.Name).Fatal("Unable to add stream")
+				logrus.WithError(err).WithField("stream", name).Fatal("Unable to add stream")
 			}
 		}
 	}