diff --git a/provision/ansible/playbooks/templates/calico-installation.yaml.j2 b/provision/ansible/playbooks/templates/calico-installation.yaml.j2
index e5263880..4c843d92 100644
--- a/provision/ansible/playbooks/templates/calico-installation.yaml.j2
+++ b/provision/ansible/playbooks/templates/calico-installation.yaml.j2
@@ -8,7 +8,7 @@ spec:
     # https://projectcalico.docs.tigera.io/networking/ip-autodetection
     nodeAddressAutodetectionV4:
       cidrs:
-        - "{{ (ansible_default_ipv4.network + '/' + ansible_default_ipv4.netmask) | ipaddr('network/prefix') }}"
+        - "{{ (ansible_default_ipv4.network + '/' + ansible_default_ipv4.netmask) | ansible.utils.ipaddr('network/prefix') }}"
     # Note: The ipPools section cannot be modified post-install.
     ipPools:
       - blockSize: 26