diff --git a/ansible/roles/firstboot/files/ansible_payload/bootstrap/templates/kustomization.cluster-template.j2 b/ansible/roles/firstboot/files/ansible_payload/bootstrap/templates/kustomization.cluster-template.j2
index a3bf3a8..90dcb97 100644
--- a/ansible/roles/firstboot/files/ansible_payload/bootstrap/templates/kustomization.cluster-template.j2
+++ b/ansible/roles/firstboot/files/ansible_payload/bootstrap/templates/kustomization.cluster-template.j2
@@ -216,6 +216,9 @@ patches:
     kind: Cluster
     name: \${CLUSTER_NAME}
   patch: |-
+    - op: replace
+      path: /spec/clusterNetwork/pods/cidrBlocks/-
+      value: 172.30.0.0/16
     - op: replace
       path: /spec/controlPlaneRef/name
       value: ${CLUSTER_NAME}-master