diff --git a/devices/ellaca/default.nix b/devices/ellaca/default.nix
index b445794..72471f9 100644
--- a/devices/ellaca/default.nix
+++ b/devices/ellaca/default.nix
@@ -1,6 +1,5 @@
-{ lib, pkgs, ... }: let
-  inherit (lib) mkDefault;
-in {
+{ pkgs, ... }:
+{
   imports = [
     ./options.nix
     ./disko.nix
@@ -15,6 +14,8 @@ in {
     kernelPackages = pkgs.linuxPackages_zen;
     loader = {
       grub = {
+        devices = [ "/dev/sda1" ];
+        useOSProber = true;
         efiSupport = true;
         efiInstallAsRemovable = true;
       };
diff --git a/devices/ellaca/disko.nix b/devices/ellaca/disko.nix
index 95520c5..1a00210 100644
--- a/devices/ellaca/disko.nix
+++ b/devices/ellaca/disko.nix
@@ -7,9 +7,10 @@
         content = {
           type = "gpt";
           partitions = {
-            ESP = {
+            esp = {
               priority = 1;
               name = "BOOT";
+              start = "1M";
               size = "2G";
               type = "EF00";
               content = {