diff --git a/.github/workflows/file-descriptions.yml b/.github/workflows/file-descriptions.yml
index 8c02b90bb2..7eea502aa7 100644
--- a/.github/workflows/file-descriptions.yml
+++ b/.github/workflows/file-descriptions.yml
@@ -15,6 +15,8 @@ jobs:
     steps:
     - name: Checkout
       uses: actions/checkout@v6
+      with:
+        fetch-depth: 4
 
     - name: Get pull-request commits
       uses: OpenTTD/actions/checkout-pull-request@v6