diff --git a/.github/workflows/test-nix-flake.yml b/.github/workflows/test-nix-flake.yml
index 1708ba92..13339a84 100644
--- a/.github/workflows/test-nix-flake.yml
+++ b/.github/workflows/test-nix-flake.yml
@@ -36,4 +36,4 @@ jobs:
       run: |
         cd /home/runner/work/nixos-config/nixos-config/my-config
         git add .
-        nix build --extra-experimental-features 'nix-command flakes' /home/runner/work/nixos-config/nixos-config/my-config#nixosConfigurations."x86_64-linux".system
+        nix build --extra-experimental-features 'nix-command flakes' /home/runner/work/nixos-config/nixos-config/my-config#nixosConfigurations."x86_64-linux".system.config.system.build.toplevel