diff --git a/bundles/iptables/items.py b/bundles/iptables/items.py
index 3befc26..e42ff69 100644
--- a/bundles/iptables/items.py
+++ b/bundles/iptables/items.py
@@ -28,7 +28,7 @@ files = {
 for bundle, rules in node.metadata.get('iptables', {}).get('bundle_rules', {}).items():
     files[f'/etc/iptables-rules.d/20-{bundle}'] = {
         # We must never use sorted() here. Bundles might rely on their order.
-        'content': '\n'.join(rules),
+        'content': '\n'.join(rules) + '\n',
         'triggers': {
             'action:iptables_enforce',
         },
@@ -36,7 +36,7 @@ for bundle, rules in node.metadata.get('iptables', {}).get('bundle_rules', {}).i
 
 if 'custom_rules' in node.metadata.get('iptables', {}):
     files[f'/etc/iptables-rules.d/40-custom'] = {
-        'content': '\n'.join(node.metadata['iptables']['custom_rules']),
+        'content': '\n'.join(node.metadata['iptables']['custom_rules']) + '\n',
         'triggers': {
             'action:iptables_enforce',
         },