diff --git a/bundles/wireguard/metadata.py b/bundles/wireguard/metadata.py
index c8951ee..19e324a 100644
--- a/bundles/wireguard/metadata.py
+++ b/bundles/wireguard/metadata.py
@@ -9,20 +9,26 @@ defaults = {
         'packages': {
             'wireguard': {},
         },
-        'repos': {
-            'backports': {
-                'install_gpg_key': False, # default debian signing key
-                'items': {
-                    'deb http://deb.debian.org/debian {os_release}-backports main',
-                },
-            },
-        },
     },
     'wireguard': {
         'privatekey': repo.libs.keys.gen_privkey(repo, f'{node.name} wireguard privatekey'),
     },
 }
 
+if node.os_version <= (11,):
+    defaults['apt']['repos'] = {
+        'backports': {
+            'install_gpg_key': False, # default debian signing key
+            'items': {
+                'deb http://deb.debian.org/debian {os_release}-backports main',
+            },
+        },
+    }
+else:
+    defaults['apt']['packages']['wireguard-dkms'] = {
+        'installed': False,
+    }
+
 if node.has_bundle('telegraf'):
     defaults['telegraf'] = {
         'input_plugins': {