diff --git a/defaults/main.yml b/defaults/main.yml
index 521b358..1049208 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -646,7 +646,7 @@ ubtu24cis_purge_apt: false
 
 ## Ignore change_when for apt update task
 # Modifies behavior of 'changed_when' for 'apt update' task  in prelim that always changes
-ignore_apt_update_changed_when: false
+ubtu24cis_ignore_apt_update_changed_when: false
 
 ##
 ## Section 1 Control Variables
diff --git a/tasks/prelim.yml b/tasks/prelim.yml
index 5ee4773..5206b22 100644
--- a/tasks/prelim.yml
+++ b/tasks/prelim.yml
@@ -55,7 +55,7 @@
   tags: always
   ansible.builtin.package:
     update_cache: true
-  changed_when: not ignore_apt_update_changed_when
+  changed_when: not ubtu24cis_ignore_apt_update_changed_when
 
 - name: Include audit specific variables
   when: