diff --git a/roles/kea_dhcp/tasks/kea.yaml b/roles/kea_dhcp/tasks/kea.yaml
index 116c7dd..0d2c5e3 100644
--- a/roles/kea_dhcp/tasks/kea.yaml
+++ b/roles/kea_dhcp/tasks/kea.yaml
@@ -1,6 +1,6 @@
 ---
 - name: Include config vars
-  when: kea_dhcp__include_vars is not None
+  when: kea_dhcp__include_vars != None
   ansible.builtin.include_vars:
     file: "{{ kea_dhcp__include_vars }}"