diff --git a/kubernetes/apps/database/cloudnative-pg/cluster/cluster16.yaml b/kubernetes/apps/database/cloudnative-pg/cluster/cluster16.yaml
index abc2b9d05..c4a1fbdaf 100644
--- a/kubernetes/apps/database/cloudnative-pg/cluster/cluster16.yaml
+++ b/kubernetes/apps/database/cloudnative-pg/cluster/cluster16.yaml
@@ -4,7 +4,7 @@ kind: Cluster
 metadata:
   name: postgres16
 spec:
-  instances: 3
+  instances: 4 # set to the number of nodes in the cluster
   imageName: ghcr.io/cloudnative-pg/postgresql:16.2-10
   primaryUpdateStrategy: unsupervised
   storage: