diff --git a/examples/guestbook/guestbook.yaml b/examples/guestbook/guestbook.yaml
index 9a31d2489..073f01994 100644
--- a/examples/guestbook/guestbook.yaml
+++ b/examples/guestbook/guestbook.yaml
@@ -7,6 +7,9 @@ resources:
     external_service: true
     replicas: 3
     image: gcr.io/google_containers/example-guestbook-php-redis:v3
+    env:
+    - name: redis-master
+      value: $(ref.redis-master.name)
 - name: redis
   type: github.com/kubernetes/application-dm-templates/storage/redis:v1
   properties: null