diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index d55b590..4382e29 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -15,4 +15,6 @@ jobs:
           name: liminalos
           # If you chose API tokens for write access OR if you have a private cache
           authToken: "${{ secrets.CACHIX_AUTH_TOKEN }}"
-      - run: nix build .#demeter --accept-flake-config
+      - run:
+          nix build .#nixosConfigurations.demeter.config.system.build.toplevel
+          --accept-flake-config