diff --git a/nixos/release.nix b/nixos/release.nix
index f77b9983e496..797a07ec575e 100644
--- a/nixos/release.nix
+++ b/nixos/release.nix
@@ -312,7 +312,7 @@ in rec {
         [ configuration
           versionModule
           ./maintainers/scripts/ec2/amazon-image.nix
-          ({ ... }: { amazonImage.virtualisation.diskSize = "auto"; })
+          ({ ... }: { virtualisation.diskSize = "auto"; })
         ];
     }).config.system.build.amazonImage)