diff --git a/roles/global_defaults/defaults/main.yml b/roles/global_defaults/defaults/main.yml
index 317001d..9ae760f 100644
--- a/roles/global_defaults/defaults/main.yml
+++ b/roles/global_defaults/defaults/main.yml
@@ -129,6 +129,10 @@ system_defaults:
     rhel_repo:
       source: "iso" # iso|satellite|none — how RHEL systems get packages post-install
       url: ""       # Satellite/custom repo URL when source=satellite
+    aur:
+      enabled: false
+      helper: "yay"  # yay|paru
+      user: "_aur_builder"
     chroot:
       tool: "arch-chroot" # arch-chroot|chroot|systemd-nspawn