diff --git a/templates/unbound.conf.j2 b/templates/unbound.conf.j2
index 28a537e..a1b9be7 100644
--- a/templates/unbound.conf.j2
+++ b/templates/unbound.conf.j2
@@ -47,8 +47,11 @@
 {% endif %}
 {% if unbound_listen_zone_ips and dns_zones %}
 {% for key, value in dns_zones.items() %}
+{% set if_ip = value.ip_range | ipaddr('next_usable') | ipaddr('address') %}
+{% if if_ip in ansible_all_ipv4_addresses %}
   # listen on IPs defined by dns_zones: {{ key }}
-  interface: {{ value.ip_range | ipaddr('next_usable') | ipaddr('address') }}
+  interface: {{ if_ip }}
+{% endif %}
 {% endfor %}
 
 {% endif %}