diff --git a/guestbook/guestbook-ui-deployment.yaml b/guestbook/guestbook-ui-deployment.yaml
index 8a0975e..e08cc00 100644
--- a/guestbook/guestbook-ui-deployment.yaml
+++ b/guestbook/guestbook-ui-deployment.yaml
@@ -17,4 +17,4 @@ spec:
       - image: gcr.io/heptio-images/ks-guestbook-demo:0.2
         name: guestbook-ui
         ports:
-        - containerPort: 80
+        - containerPort: 8090