diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index f20ab19..19749a1 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -15,7 +15,6 @@ jobs:
         uses: actions/checkout@v2
         with:
           fetch-depth: 0
-          ref: ${{ github.head_ref }}
       - name: Setup Node.js
         uses: actions/setup-node@v2
         with: