diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index abec7c8..73dfc3e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,8 +14,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+        if: github.event_name == 'pull_request'
         with:
-          ref: ${{ github.ref_name }}
+          fetch-depth: 0
+          ref: ${{ github.event.pull_request.head.ref }}
+      - uses: actions/checkout@v4
+        if: github.event_name == 'push'
       - uses: actions/setup-python@v5
         with:
           python-version: "3.12"