diff --git a/.github/workflows/darwin-rebuild.yaml b/.github/workflows/darwin-rebuild.yaml
index 33a413b..0ea7239 100644
--- a/.github/workflows/darwin-rebuild.yaml
+++ b/.github/workflows/darwin-rebuild.yaml
@@ -26,4 +26,4 @@ jobs:
       - uses: DeterminateSystems/flake-checker-action@main
 
       - name: Check darwin config
-        run: nix run nix-darwin -- check --flake .#${{ matrix.host }}
+        run: nix path-info --derivation .#darwinConfigurations.${{ matrix.host }}.config.system.build.toplevel
diff --git a/.github/workflows/nixos-rebuild.yaml b/.github/workflows/nixos-rebuild.yaml
index 3a3324a..be14661 100644
--- a/.github/workflows/nixos-rebuild.yaml
+++ b/.github/workflows/nixos-rebuild.yaml
@@ -34,4 +34,4 @@ jobs:
           extraPullNames: nix-community
 
       - name: Check nixos config
-        run: nix run nixpkgs#nixos-rebuild -- dry-build --flake .#${{ matrix.host }}
+        run: nix path-info --derivation .#nixosConfigurations.${{ matrix.host }}.config.system.build.toplevel