diff --git a/hosts/hazel/disko.nix b/hosts/hazel/disko.nix
index 957609b..c95d152 100644
--- a/hosts/hazel/disko.nix
+++ b/hosts/hazel/disko.nix
@@ -9,17 +9,12 @@
         device = "/dev/sda";
         type = "disk";
         content = {
-          type = "mbr";
+          type = "gpt";
           partitions = {
-            ESP = {
-              type = "EF00";
-              size = "500M";
-              content = {
-                type = "filesystem";
-                format = "vfat";
-                mountpoint = "/boot";
-                mountOptions = [ "umask=0077" ];
-              };
+            boot = {
+              size = "1M";
+              type = "EF02";
+              priority = 1;
             };
             root = {
               size = "100%";