diff --git a/docs/examples/grpc/app.yaml b/docs/examples/grpc/app.yaml
index 3c04033e0..acc4060d0 100644
--- a/docs/examples/grpc/app.yaml
+++ b/docs/examples/grpc/app.yaml
@@ -7,6 +7,9 @@ metadata:
   namespace: default
 spec:
   replicas: 1
+  selector:
+    matchLabels:
+      k8s-app: fortune-teller-app
   template:
     metadata:
       labels: