diff --git a/.github/workflows/black.yml b/.github/workflows/black.yml
index c0805d89..fa5b9915 100644
--- a/.github/workflows/black.yml
+++ b/.github/workflows/black.yml
@@ -24,6 +24,8 @@ jobs:
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       - uses: actions/checkout@v3
+        with:
+          ref: ${{ github.head_ref }}
 
       # Runs the code through Black
       - uses: piotrpawlaczek/python-blacken@release/stable