diff --git a/roles/nameserver/tasks/install_powerdns_server.yml b/roles/nameserver/tasks/install_powerdns_server.yml
index 09784c2..b1bc8e8 100644
--- a/roles/nameserver/tasks/install_powerdns_server.yml
+++ b/roles/nameserver/tasks/install_powerdns_server.yml
@@ -61,7 +61,7 @@
         update_password: on_create
         config_file: "/etc/mysql/my.cnf"
         login_unix_socket: "{{ pdns_mysql_socket }}"
-      loop: pdns_secondaries
+      loop: "{{ pdns_secondaries }}"
     
     - name: nameserver | powerdns-server | copy config
       template: