diff --git a/filter.nft b/filter.nft
index 7cdcd6a..4d8d8bd 100644
--- a/filter.nft
+++ b/filter.nft
@@ -26,6 +26,7 @@ table ip filter {
 		type filter hook input priority filter; policy drop;
 		ct state invalid drop;
 		ct state {related,established} accept;
+		iifname "lo" accept;
 		tcp dport @allowed_tcp_ports accept;
 		udp dport @allowed_udp_ports_in accept;
 	}
@@ -36,5 +37,6 @@ table ip filter {
 	chain out {
 		type filter hook output priority filter; policy drop;
 		udp dport @allowed_udp_ports_out accept;
+		oifname "lo" accept;
 	}
 }