diff --git a/nixos/maintainers/scripts/ec2/amazon-image.nix b/nixos/maintainers/scripts/ec2/amazon-image.nix
index b09f4ca47a3..0ecf07669a1 100644
--- a/nixos/maintainers/scripts/ec2/amazon-image.nix
+++ b/nixos/maintainers/scripts/ec2/amazon-image.nix
@@ -57,7 +57,7 @@ in {
     inherit (cfg) contents format name;
     pkgs = import ../../../.. { inherit (pkgs) system; }; # ensure we use the regular qemu-kvm package
     partitionTableType = if config.ec2.efi then "efi"
-                         else if config.ec2.hvm then "legacy"
+                         else if config.ec2.hvm then "legacy+gpt"
                          else "none";
     diskSize = cfg.sizeMB;
     fsType = "ext4";