diff --git a/.github/workflows/prettify_code.yml b/.github/workflows/prettify_code.yml
index 47cb584d7..5de5147bf 100644
--- a/.github/workflows/prettify_code.yml
+++ b/.github/workflows/prettify_code.yml
@@ -14,7 +14,6 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v3
         with:
-          ref: ${{ github.head_ref }}
           fetch-depth: 0
 
       - name: Prettify code