diff --git a/site-cookbooks/kosmos-base/recipes/default.rb b/site-cookbooks/kosmos-base/recipes/default.rb
index bbb92c5..7d97f3c 100644
--- a/site-cookbooks/kosmos-base/recipes/default.rb
+++ b/site-cookbooks/kosmos-base/recipes/default.rb
@@ -31,6 +31,7 @@ include_recipe 'kosmos-base::journald_conf'
 include_recipe 'kosmos-base::systemd_emails'
 
 node.override["apt"]["unattended_upgrades"]["enable"] = true
+node.override["apt"]["unattended_upgrades"]["mail_only_on_error"] = false
 node.override["apt"]["unattended_upgrades"]["allowed_origins"] = [
   "${distro_id}:${distro_codename}-security",
   "${distro_id}:${distro_codename}-updates"