diff --git a/modules/system/access.nix b/modules/system/access.nix
index 99c954ba..30521a2f 100644
--- a/modules/system/access.nix
+++ b/modules/system/access.nix
@@ -108,13 +108,14 @@
             portName ? "default",
             network ? "lan",
             scheme ? null,
+            getAddressFor ? "getAddressFor"
           }: let
             port = service.ports.${portName};
             scheme' = if scheme == null then port.protocol else scheme;
             port' = if !port.enable
               then throw "${system.name}.exports.services.${service.name}.ports.${portName} isn't enabled"
               else ":${toString port.port}";
-            host = access.getAddressFor system.name network;
+            host = access.${getAddressFor} system.name network;
             url = "${scheme'}://${mkAddress6 host}${port'}";
           in assert service.enable; url;
         };
diff --git a/nixos/zigbee2mqtt.nix b/nixos/zigbee2mqtt.nix
index 158299fe..5b10aaa7 100644
--- a/nixos/zigbee2mqtt.nix
+++ b/nixos/zigbee2mqtt.nix
@@ -27,7 +27,7 @@ in {
         user = "z2m";
         password = "!secret z2m_pass";
         server = let
-          url = access.proxyUrlFor { serviceName = "mosquitto"; scheme = "mqtt"; };
+          url = access.proxyUrlFor { serviceName = "mosquitto"; scheme = "mqtt"; getAddressFor = "getAddress4For"; };
         in mkIf (!config.services.mosquitto.enable) (
           mkAlmostDefault url
         );