diff --git a/roles/cilium/tasks/main.yml b/roles/cilium/tasks/main.yml
index 170d1b4..07ab9aa 100644
--- a/roles/cilium/tasks/main.yml
+++ b/roles/cilium/tasks/main.yml
@@ -29,3 +29,6 @@
       operator:
         nodeSelector:
           openstack-control-plane: enabled
+      ipam:
+        operator:
+          clusterPoolIPv4PodCIDR: "{{ kubernetes_cluster_cidr | default('10.0.0.0/8') }}"