diff --git a/inventory/group_vars/k8s-cluster.yml b/inventory/group_vars/k8s-cluster.yml
index 81d7017cb..de4642807 100644
--- a/inventory/group_vars/k8s-cluster.yml
+++ b/inventory/group_vars/k8s-cluster.yml
@@ -40,7 +40,7 @@ kube_log_level: 2
 
 # Users to create for basic auth in Kubernetes API via HTTP
 # Optionally add groups for user
-kube_api_pwd: "{{ lookup('password', 'credentials/kube_user length=15') }}"
+kube_api_pwd: "{{ lookup('password', 'credentials/kube_user length=15 chars=ascii_letters,digits') }}"
 kube_users:
   kube:
     pass: "{{kube_api_pwd}}"
diff --git a/tests/testcases/010_check-apiserver.yml b/tests/testcases/010_check-apiserver.yml
index a9123f976..82c8b23d4 100644
--- a/tests/testcases/010_check-apiserver.yml
+++ b/tests/testcases/010_check-apiserver.yml
@@ -2,8 +2,6 @@
 - hosts: kube-master
 
   tasks:
-  - debug:
-      msg: "kube pass: {{ lookup('password', '../../credentials/kube_user length=15') }}"
   - name: Check the API servers are responding
     uri:
       url: "https://{{ access_ip | default(ansible_default_ipv4.address) }}:{{ kube_apiserver_port }}/api/v1"