diff --git a/modules/x-os/boot.nix b/modules/x-os/boot.nix
index 484a46c..0633bec 100644
--- a/modules/x-os/boot.nix
+++ b/modules/x-os/boot.nix
@@ -4,6 +4,11 @@ let
   cfg = config.pub-solar.x-os;
 in
 {
+  options.pub-solar.x-os.iso-options.enable = mkOption {
+    type = types.bool;
+    default = false;
+    description = "Feature flag for iso builds";
+  };
   config = {
     # Enable plymouth for better experience of booting
     boot.plymouth.enable = true;