diff --git a/tasks/main.yml b/tasks/main.yml
index a2dd2fa..12df4a5 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -16,7 +16,7 @@
     owner: root
     group: root
     mode: 0750
-  when: bind9_backup_config is defined and bind9_backup_config
+  when: bind9_backup_config is defined and bind9_backup_config | bool
 
 - name: Deploy and Validate Configuration
   block: