diff --git a/.github/workflows/nix_tests.yaml b/.github/workflows/nix_tests.yaml
index 06768a7b..591957d3 100644
--- a/.github/workflows/nix_tests.yaml
+++ b/.github/workflows/nix_tests.yaml
@@ -38,4 +38,4 @@ jobs:
       env:
         HF_TOKEN: ${{ secrets.HF_TOKEN }}
     - name: Rust tests.
-      run: nix build .#checks.$(nix eval --impure --raw --expr 'builtins.currentSystem').rust -L
+      run: nix build .#test --command cargo test