diff --git a/bundles/apt/files/apt.conf-unattended-upgrades b/bundles/apt/files/apt.conf-unattended-upgrades
index fbc3a00..7a31cb8 100644
--- a/bundles/apt/files/apt.conf-unattended-upgrades
+++ b/bundles/apt/files/apt.conf-unattended-upgrades
@@ -3,8 +3,8 @@ Unattended-Upgrade::Origins-Pattern {
         "origin=Debian,codename=${node.metadata['os_release']},label=Debian-Security";
 
         // External packages
-% for item in sorted(data.get('origins', set())):
-        "origin=${item}";
+% for item in sorted(data.get('sites', set())):
+        "site=${item}";
 % endfor
 };
 
diff --git a/bundles/nginx/metadata.py b/bundles/nginx/metadata.py
index e58e24c..0cf3518 100644
--- a/bundles/nginx/metadata.py
+++ b/bundles/nginx/metadata.py
@@ -11,7 +11,7 @@ def nginx_apt_repo(metadata):
                 },
             },
             'unattended-upgrades': {
-                'origins': {
+                'sites': {
                     'nginx.org',
                 },
             },
diff --git a/bundles/riot-web/metadata.py b/bundles/riot-web/metadata.py
index 52a9058..4b15b82 100644
--- a/bundles/riot-web/metadata.py
+++ b/bundles/riot-web/metadata.py
@@ -18,7 +18,7 @@ def nodejs_apt_repos(metadata):
                 },
             },
             'unattended-upgrades': {
-                'origins': {
+                'sites': {
                     'deb.nodesource.com',
                     'dl.yarnpkg.com',
                 },
diff --git a/nodes/htz/ex42-1048908.py b/nodes/htz/ex42-1048908.py
index 6da5a77..d7c53ba 100644
--- a/nodes/htz/ex42-1048908.py
+++ b/nodes/htz/ex42-1048908.py
@@ -8,7 +8,7 @@ nodes['htz.ex42-1048908'] = {
     'metadata': {
         'apt': {
             'unattended-upgrades': {
-                'origins': {
+                'sites': {
                     'weechat.org',
                     'rspamd.com',
                     'nginx.org',