diff --git a/templates/etc/firewalld/services/kubernetes.xml.j2 b/templates/etc/firewalld/services/kubernetes.xml.j2
index 0e01d78..b7a7f7a 100644
--- a/templates/etc/firewalld/services/kubernetes.xml.j2
+++ b/templates/etc/firewalld/services/kubernetes.xml.j2
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <service>
-{% if kubernetes_master is true %}
+{% if kubernetes_master == true %}
   <short>Kubernetes master</short>
   <description>Open Kubernetes master ports.</description>
   <port protocol="tcp" port="6443"/>