diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index e0c5dd3..5580bb8 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -24,6 +24,8 @@ jobs:
       - name: Run l3build
         run: l3build ctan -q -H
   codespell:
+    runs-on: ubuntu-latest
+    steps:
       - name: Codespell action
         uses: plettich/python_codespell_action@v0.1