diff --git a/helm-guestbook/values.yaml b/helm-guestbook/values.yaml
index ab2928547c..3797dc9476 100644
--- a/helm-guestbook/values.yaml
+++ b/helm-guestbook/values.yaml
@@ -6,7 +6,7 @@ replicaCount: 1
 
 image:
   repository: gcr.io/heptio-images/ks-guestbook-demo
-  tag: 0.1
+  tag: 0.1-unknown
   pullPolicy: IfNotPresent
 
 service: