diff --git a/roles/kubernetes-apps/ansible/templates/coredns-deployment.yml.j2 b/roles/kubernetes-apps/ansible/templates/coredns-deployment.yml.j2
index 270fbf18d..fa8106935 100644
--- a/roles/kubernetes-apps/ansible/templates/coredns-deployment.yml.j2
+++ b/roles/kubernetes-apps/ansible/templates/coredns-deployment.yml.j2
@@ -34,7 +34,7 @@ spec:
           effect: NoSchedule
         - key: node-role.kubernetes.io/control-plane
           effect: NoSchedule
-{% if dns_extra_tolerations | default(None) %}
+{% if dns_extra_tolerations is defined %}
         {{ dns_extra_tolerations | list | to_nice_yaml(indent=2) | indent(8) }}
 {% endif %}
       affinity: