diff --git a/.github/workflows/format-images.yml b/.github/workflows/format-images.yml
index b9b0854..6a3eb45 100644
--- a/.github/workflows/format-images.yml
+++ b/.github/workflows/format-images.yml
@@ -16,7 +16,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
         with:
-          fetch-depth: 0
+          ref: ${{ github.head_ref }}
 
       - uses: mfinelli/setup-imagemagick@v5