diff --git a/library/roles/powerdns-authoritative/tasks/main.yml b/library/roles/powerdns-authoritative/tasks/main.yml
index 3dde36ae..e5eff498 100644
--- a/library/roles/powerdns-authoritative/tasks/main.yml
+++ b/library/roles/powerdns-authoritative/tasks/main.yml
@@ -17,15 +17,17 @@
 
   - name: Install the powerdns DB backend packages
     apt: pkg={{ powerdns_auth_db_pkgs }} state=present
-    when: powerdns_auth_use_db_backend
+    when: powerdns_auth_use_db_backend | bool
 
   - name: Install the powerdns main configuration file
     template: src=pdns.conf dest=/etc/powerdns/pdns.conf owner=root group=root mode=0600
     notify: Restart powerdns
+    tags: [ 'dns', 'powerdns', 'powerdns_conf' ]
 
   - name: Install the powerdns local configuration file
     template: src=pdns.local.conf dest=/etc/powerdns/pdns.d/pdns.local.conf owner=root group=root mode=0600
     notify: Restart powerdns
+    tags: [ 'dns', 'powerdns', 'powerdns_conf' ]
     
   - name: Ensure that powerdns is running and enabled
     service: name=pdns state=started enabled=yes