diff --git a/.forgejo/workflows/ci.yml b/.forgejo/workflows/ci.yml
index ee038c41..769a8020 100644
--- a/.forgejo/workflows/ci.yml
+++ b/.forgejo/workflows/ci.yml
@@ -53,6 +53,8 @@ jobs:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
+      - name: self-test
+        run: sh scripts/check-attribution-trailers.sh --self-test
       - name: lint
         run: sh scripts/check-attribution-trailers.sh