diff --git a/.github/workflows/cachix.yml b/.github/workflows/cachix.yml
index c957aaf..2ec26f2 100644
--- a/.github/workflows/cachix.yml
+++ b/.github/workflows/cachix.yml
@@ -14,5 +14,5 @@ jobs:
       with:
         name: swarsel
         authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
-    - run: nix-build
+    - run: nix-build .#nixosConfigurations.nbl-imba-2.config.system.build.toplevel
     - run: nix-shell --run "echo OK"