diff --git a/.github/workflows/pr-validation.yaml b/.github/workflows/pr-validation.yaml
index 306f7b4..69124b0 100644
--- a/.github/workflows/pr-validation.yaml
+++ b/.github/workflows/pr-validation.yaml
@@ -17,7 +17,7 @@ jobs:
         run: |
           git clone --depth=1 "https://x-access-token:${{ secrets.GITEA_TOKEN }}@git.farh.net/${{ github.repository }}.git" .
           git fetch origin "$BASE_REF" --depth=1
-          git fetch origin "$HEAD_REF" --depth=1
+          git fetch origin +refs/pull/*/head:refs/pull/*/head --depth=1
           git checkout "${{ github.sha }}"
 
       - name: Install actionlint