diff --git a/nixos/lib/make-options-doc/default.nix b/nixos/lib/make-options-doc/default.nix
index eee8f612410de..2cc76de540708 100644
--- a/nixos/lib/make-options-doc/default.nix
+++ b/nixos/lib/make-options-doc/default.nix
@@ -127,7 +127,7 @@ let
   '';
 
 in {
-  inherit optionsNix;
+  inherit optionsNix optionsXML;
 
   optionsAsciiDoc = lib.concatStringsSep "\n" (lib.mapAttrsToList singleAsciiDoc optionsNix);