diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 89e9108..dce8b39 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -31,4 +31,4 @@ jobs:
           token: ${{ secrets.ATTIC_TOKEN }}
 
       - name: Build flake
-        run: nix build
+        run: nix build .#nixosConfigurations.puzzlevision.config.system.build.toplevel