diff --git a/nixos/default.nix b/nixos/default.nix
index 54b6805..b892f09 100644
--- a/nixos/default.nix
+++ b/nixos/default.nix
@@ -142,6 +142,7 @@ with lib; {
             REGALADE_HOST = cfg.settings.host;
             REGALADE_PORT = toString cfg.settings.port;
             REGALADE_API_ALLOWED = cfg.settings.apiAllowed;
+            REGALADE_SERVE_APP = mkIf cfg.frontend.enable "${cfg.frontend.package}";
             REGALADE_SQLX_LOGGING =
               if cfg.settings.sqlxLogging
               then "true"