diff --git a/doc/packages/darwin-builder.section.md b/doc/packages/darwin-builder.section.md
index 89c2445667dc..0c5323705345 100644
--- a/doc/packages/darwin-builder.section.md
+++ b/doc/packages/darwin-builder.section.md
@@ -94,7 +94,11 @@ $ sudo launchctl kickstart -k system/org.nixos.nix-daemon
       system = linuxSystem;
       modules = [
         "${nixpkgs}/nixos/modules/profiles/macos-builder.nix"
-        { virtualisation.host.pkgs = pkgs; }
+        { virtualisation = {
+            host.pkgs = pkgs;
+            darwin-builder.workingDirectory = "/var/lib/darwin-builder";
+          };
+        };
       ];
     };
   in {