diff --git a/tasks/main.yml b/tasks/main.yml
index 3eb43e4..05d35d2 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -31,7 +31,7 @@
   template:
     src: zonefile.db.j2
     dest: "/etc/powerdns/tpl/{{ item }}"
-  with_items: "{{ dnsserver.zones.keys() }}"
+  with_items: "{{ dnsserver.zones.keys()|list }}"
   register: zonefilestask
   notify:
   - copy zone