diff --git a/.github/workflows/comment-pr.yaml b/.github/workflows/comment-pr.yaml
index 3c20b21b..bb1012f2 100644
--- a/.github/workflows/comment-pr.yaml
+++ b/.github/workflows/comment-pr.yaml
@@ -12,6 +12,7 @@ jobs:
       uses: actions/checkout@v3
       with:
         ref: "${{ github.event.pull_request.merge_commit_sha }}"
+        fetch-depth: 0 # needed to checkout all branches for this Action to work
     - uses: mudler/localai-github-action@v1
       with:
         model: 'hermes-2-theta-llama-3-8b' # Any from models.localai.io, or from huggingface.com with: "huggingface://<repository>/file"