diff --git a/systems/x86_64-iso/cmb/default.nix b/systems/x86_64-iso/cmb/default.nix
index 50881b5..b069f70 100644
--- a/systems/x86_64-iso/cmb/default.nix
+++ b/systems/x86_64-iso/cmb/default.nix
@@ -3,6 +3,7 @@
   pkgs,
   inputs,
   modulesPath,
+  lib,
   ...
 }:
 
@@ -14,7 +15,7 @@
   # Localization
   time.timeZone = "Etc/UTC";
 
-  isoImage.isoBaseName = "nixos-gg-cmb";
+  isoImage.isoName = lib.mkForce "nixos-gg-cmb.iso";
 
   boot.kernelPackages = pkgs.zfs.latestCompatibleLinuxPackages;