diff --git a/samples/features/high availability/Kubernetes/sample-manifest-files/operator.yaml b/samples/features/high availability/Kubernetes/sample-manifest-files/operator.yaml
index d3b2cc73..33fef973 100644
--- a/samples/features/high availability/Kubernetes/sample-manifest-files/operator.yaml	
+++ b/samples/features/high availability/Kubernetes/sample-manifest-files/operator.yaml	
@@ -1,3 +1,7 @@
+apiVersion:v1
+kind: Namespace
+metadata: {name: ag1}
+---
 apiVersion: v1
 kind: ServiceAccount
 metadata: {name: mssql-operator, namespace: ag1}