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-rw-r--r--nixos/maintainers/scripts/ec2/amazon-image.nix5
1 files changed, 3 insertions, 2 deletions
diff --git a/nixos/maintainers/scripts/ec2/amazon-image.nix b/nixos/maintainers/scripts/ec2/amazon-image.nix
index 0ecf07669a1..653744986d1 100644
--- a/nixos/maintainers/scripts/ec2/amazon-image.nix
+++ b/nixos/maintainers/scripts/ec2/amazon-image.nix
@@ -40,8 +40,9 @@ in {
     };
 
     sizeMB = mkOption {
-      type = types.int;
-      default = if config.ec2.hvm then 2048 else 8192;
+      type = with types; either (enum [ "auto" ]) int;
+      default = "auto";
+      example = 8192;
       description = "The size in MB of the image";
     };