diff --git a/playbooks/tags_autoreboot.yml b/playbooks/tags_autoreboot.yml
index 81fbfa2..4f051ab 100755
--- a/playbooks/tags_autoreboot.yml
+++ b/playbooks/tags_autoreboot.yml
@@ -2,12 +2,34 @@
 # vim:ft=ansible:
 ---
 - hosts: tags_autoreboot
+  module_defaults:
+    nagios:
+      author: Ansible
+      action: downtime
+      cmdfile: /data/nagios/var/rw/nagios.cmd
+      comment: "Ansible tags_autoreboot task"
+      host: "{{ inventory_hostname }}"
+      minutes: 10
   serial: 1
   tasks:
     - name: check for reboot-required
       stat: path=/var/run/reboot-required
       register: s
     - name: reboot
-      reboot: reboot_timeout=300
+      block:
+        - name: attempt to schedule downtime
+          block:
+            - name: register nagios host downtime
+              nagios:
+                service: host
+              delegate_to: web3.dallas.mgmt.desu.ltd
+            - name: register nagios service downtime
+              nagios:
+                service: all
+              delegate_to: web3.dallas.mgmt.desu.ltd
+          rescue:
+            - name: notify of failure to reboot
+              debug: msg="Miscellaneous failure when scheduling downtime"
+        - name: reboot
+          reboot: reboot_timeout=300
       when: s.stat.exists
-      become: yes