diff --git a/devices/ellaca/default.nix b/devices/ellaca/default.nix
index e8a2e4b..285cc3c 100644
--- a/devices/ellaca/default.nix
+++ b/devices/ellaca/default.nix
@@ -12,6 +12,7 @@
 
   # Bootloader.
   boot.loader = {
+    efi.canTouchEfiVariables = true;
     grub = {
       enable = true;
       efiSupport = true;