diff --git a/systems/sandbox/cfg.nix b/systems/sandbox/cfg.nix
index 3ed4afe..592bdd3 100644
--- a/systems/sandbox/cfg.nix
+++ b/systems/sandbox/cfg.nix
@@ -1,6 +1,6 @@
 {
   syscfg = {
-    hostname = "gateway";
+    hostname = "sandbox";
     type = "nixos";
     system = "x86_64-linux";
     defaultUser = "sora";
diff --git a/systems/sandbox/hardware.nix b/systems/sandbox/hardware.nix
index f53a4a4..9e439fd 100644
--- a/systems/sandbox/hardware.nix
+++ b/systems/sandbox/hardware.nix
@@ -8,7 +8,7 @@
   boot.loader.grub = {
     enable = true;
     device = "/dev/sda";
-    efiSupport = true;
+    #efiSupport = true;
   };
 
   boot.initrd.availableKernelModules =
@@ -17,7 +17,7 @@
 
   fileSystems."/" = {
     device = "/dev/disk/by-uuid/abc944c6-484a-4abe-a675-906e3781d71f";
-    fsType = "btrfs";
+    fsType = "ext4";
   };
   fileSystems."/boot" = {
     device = "/dev/disk/by-uuid/C555-300B";