diff --git a/bigboot_setup_environment.yml b/bigboot_setup_environment.yml
index 90bcbe2..1d356a0 100644
--- a/bigboot_setup_environment.yml
+++ b/bigboot_setup_environment.yml
@@ -46,7 +46,7 @@
                 'bigboot_size': bigboot_size
               }
             }) }}"
-          rear_backup_skip: bigboot_rear_backup_skip | default(false)
+          rear_backup_skip: "{{ bigboot_rear_backup_skip | default(false) }}"
 
 - name: Perform a ReaR backup if any disk modifications are to be made
   ansible.builtin.import_playbook: rhc.rear.rear_backup