diff --git a/tools/images/kubeadm-aio/assets/opt/playbooks/roles/deploy-kubeadm-master/tasks/main.yaml b/tools/images/kubeadm-aio/assets/opt/playbooks/roles/deploy-kubeadm-master/tasks/main.yaml
index 4ec063771..5cca6af44 100644
--- a/tools/images/kubeadm-aio/assets/opt/playbooks/roles/deploy-kubeadm-master/tasks/main.yaml
+++ b/tools/images/kubeadm-aio/assets/opt/playbooks/roles/deploy-kubeadm-master/tasks/main.yaml
@@ -138,7 +138,7 @@
 
 - include_tasks: helm-dns.yaml
 - include_tasks: helm-keystone-auth.yaml
-  when: k8s.keystoneAuth
+  when: k8s.keystoneAuth|bool == true
 - include_tasks: helm-deploy.yaml
 
 - name: uploading cluster config to api