diff --git a/.forgejo/workflows/main.yaml b/.forgejo/workflows/main.yaml
index e561bd0..f7bd657 100644
--- a/.forgejo/workflows/main.yaml
+++ b/.forgejo/workflows/main.yaml
@@ -1,7 +1,8 @@
 on: [push]
 jobs:
   check:
-    runs-on: nix-latest
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - uses: DeterminateSystems/nix-installer-action@main
       - run: nix flake check