diff --git a/hosts/by-name/servo/services/trust-dns.nix b/hosts/by-name/servo/services/trust-dns.nix
index c92b6e43..3c3ee507 100644
--- a/hosts/by-name/servo/services/trust-dns.nix
+++ b/hosts/by-name/servo/services/trust-dns.nix
@@ -96,24 +96,24 @@ in
   {
     wan = {
       substitutions = mkSubstitutions "wan";
-      listenAddrs = [
+      listenAddrsIpv4 = [
         nativeAddrs."servo.lan"
         bindOvpn
       ];
     };
     lan = {
       substitutions = mkSubstitutions "lan";
-      listenAddrs = [ nativeAddrs."servo.lan" ];
+      listenAddrsIpv4 = [ nativeAddrs."servo.lan" ];
       port = 1053;
     };
     hn = {
       substitutions = mkSubstitutions "hn";
-      listenAddrs = [ nativeAddrs."servo.hn" ];
+      listenAddrsIpv4 = [ nativeAddrs."servo.hn" ];
       port = 1053;
     };
     # hn-resolver = {
     #   # don't need %AWAN% here because we forward to the hn instance.
-    #   listenAddrs = [ nativeAddrs."servo.hn" ];
+    #   listenAddrsIpv4 = [ nativeAddrs."servo.hn" ];
     #   extraConfig = {
     #     zones = [
     #       {
diff --git a/modules/services/trust-dns/default.nix b/modules/services/trust-dns/default.nix
index 917ad707..312510f8 100644
--- a/modules/services/trust-dns/default.nix
+++ b/modules/services/trust-dns/default.nix
@@ -13,7 +13,7 @@ let
         type = types.port;
         default = 53;
       };
-      listenAddrs = mkOption {
+      listenAddrsIpv4 = mkOption {
         type = types.listOf types.str;
         default = [ "127.0.0.1" ];
         description = ''
@@ -78,13 +78,13 @@ let
     };
   });
 
-  mkSystemdService = flavor: { includes, listenAddrs, port, substitutions, extraConfig, ... }: let
+  mkSystemdService = flavor: { includes, listenAddrsIpv4, port, substitutions, extraConfig, ... }: let
     sed = "${pkgs.gnused}/bin/sed";
     configTemplate = toml.generate "trust-dns-${flavor}.toml" (
       (
         lib.filterAttrsRecursive (_: v: v != null) config.services.trust-dns.settings
       ) // {
-        listen_addrs_ipv4 = listenAddrs;
+        listen_addrs_ipv4 = listenAddrsIpv4;
       } // extraConfig
     );
     configPath = "/var/lib/trust-dns/${flavor}-config.toml";
@@ -211,7 +211,7 @@ in
     };
 
     sane.services.trust-dns.instances.localhost = lib.mkIf cfg.asSystemResolver {
-      listenAddrs = [ "127.0.0.1" ];
+      listenAddrsIpv4 = [ "127.0.0.1" ];
       enableRecursiveResolver = true;
       # append zones discovered via DHCP to the resolver config.
       includes = [ "/var/lib/trust-dns/dhcp-configs/*" ];