diff --git a/hosts/ward/guests/adguardhome.nix b/hosts/ward/guests/adguardhome.nix
index d45b15e..bdd7929 100644
--- a/hosts/ward/guests/adguardhome.nix
+++ b/hosts/ward/guests/adguardhome.nix
@@ -83,7 +83,7 @@ in {
 
   systemd.services.adguardhome = {
     preStart = lib.mkAfter ''
-      INTERFACE_ADDR=$(${pkgs.iproute2}/bin/ip -family inet -brief addr show wan | grep -o "[0-9]\+\.[0-9]\+\.[0-9]\+\.[0-9]\+")
+      INTERFACE_ADDR=$(${pkgs.iproute2}/bin/ip -family inet -brief addr show lan | grep -o "[0-9]\+\.[0-9]\+\.[0-9]\+\.[0-9]\+")
       sed -i -e "s/123.123.123.123/$INTERFACE_ADDR/" "$STATE_DIRECTORY/AdGuardHome.yaml"
     '';
     serviceConfig.RestartSec = lib.mkForce "600"; # Retry every 10 minutes