diff --git a/config/lnbits.nix b/config/lnbits.nix
index 3afc6d7..3ec45c8 100644
--- a/config/lnbits.nix
+++ b/config/lnbits.nix
@@ -38,6 +38,7 @@ in
       #   "nostrclient,nostrmarket,nostrrelay,lnurlp,events";
       LNBITS_ADMIN_EXTENSIONS = "ngrok,nostrclient,nostrrelay,satmachineadmin";
       LNBITS_USER_DEFAULT_EXTENSIONS = "lnurlp,nostrmarket,events,lndhub";
+      LNBITS_CUSTOM_FRONTEND_URL = "https://app.${domain}";
     };
   };