diff --git a/ansible/playbooks/ringtail.yml b/ansible/playbooks/ringtail.yml
index ad36511..f7e085a 100644
--- a/ansible/playbooks/ringtail.yml
+++ b/ansible/playbooks/ringtail.yml
@@ -16,7 +16,7 @@
       ansible.builtin.command:
         cmd: nixos-rebuild switch --flake /etc/blumeops/nixos/ringtail#ringtail
       register: _rebuild
-      changed_when: "'activating the configuration' in _rebuild.stdout"
+      changed_when: "'activating the configuration' in _rebuild.stderr"
       when: _repo.changed
 
     - name: Verify tailscale is connected