diff --git a/templates/nftables.nft.j2 b/templates/nftables.nft.j2
index b18b39e..239359f 100644
--- a/templates/nftables.nft.j2
+++ b/templates/nftables.nft.j2
@@ -19,7 +19,7 @@ table inet filter {
         # allow incoming firewall rules
 {% for rule in incoming_firewall_rules %}
         # {{ rule.name }}
-        iif {{ lan_interface }} ip saddr {{ rule.source }} {{ rule.protocol | default('tcp') }} dport {{ rule.port }} accept
+        iif {{ rule.interface | default(lan_interface) }} ip saddr {{ rule.source }} {{ rule.protocol | default('tcp') }} dport {{ rule.port }} accept
 {% endfor %}
     }