diff --git a/group_vars/controller.yml b/group_vars/controller.yml
index 20fcd0a..51cbbdb 100644
--- a/group_vars/controller.yml
+++ b/group_vars/controller.yml
@@ -1,5 +1,7 @@
 ---
 
+helm_version: 'v3.13.2'
+
 install_docker: true
 install_fail2ban: true
 
diff --git a/kubernetes.yml b/kubernetes.yml
index 5319d75..5a2a432 100644
--- a/kubernetes.yml
+++ b/kubernetes.yml
@@ -5,8 +5,8 @@
 
   roles:
     - { role: ansible-role-linux-kubernetes, tags: [setup-cluster] }
-    - { role: geerlingguy.helm, tags: helm, when: inventory_hostname in groups['kubemaster'],
-      }
+    - { role: geerlingguy.helm, tags: helm, when: "{{ inventory_hostname in groups['kubemaster'] }}" }
+
   tasks:
 
     - name: Add kubectl alias and completion only on master nodes