diff --git a/preseed.cfg b/preseed.cfg
index 5a8981e..175ca94 100644
--- a/preseed.cfg
+++ b/preseed.cfg
@@ -67,7 +67,8 @@ d-i grub-installer/bootdev string default
 # ── Post-install bootstrap ─────────────────────────────────────────
 # Downloads preseed-bootstrap.sh which installs the first-boot setup service.
 d-i preseed/late_command string \
-  in-target bash -c 'curl -fsSL https://gitea.jgitta.com/jgitta/senior-kiosk/raw/branch/master/preseed-bootstrap.sh | bash'
+  in-target bash -c 'curl -fsSL https://gitea.jgitta.com/jgitta/senior-kiosk/raw/branch/master/preseed-bootstrap.sh | bash' ; \
+  (sleep 3 && reboot) &
 
 # ── Finish ─────────────────────────────────────────────────────────
-d-i finish-install/reboot_in_background boolean true
+# reboot is triggered by late_command background job, bypassing the final dialog