diff --git a/.github/workflows/CompareScreenshot.yml b/.github/workflows/CompareScreenshot.yml
index 1b250826..0adb8d37 100644
--- a/.github/workflows/CompareScreenshot.yml
+++ b/.github/workflows/CompareScreenshot.yml
@@ -18,9 +18,10 @@ jobs:
       actions: write # for upload-artifact
 
     steps:
-      - name: Checkout
-        uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
-
+      - name: Checkout base branch
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+        with:
+          ref: ${{ github.base_ref }}
       - name: Set up JDK 17
         uses: actions/setup-java@5ffc13f4174014e2d4d4572b3d74c3fa61aeb2c2 # v3.11.0
         with:
@@ -35,6 +36,9 @@ jobs:
         id: get_base_branch_head
         run: echo "sha=$(git rev-parse origin/${{ github.base_ref }})" >> "$GITHUB_OUTPUT"
 
+      - name: Checkout
+        uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
+
       - uses: dawidd6/action-download-artifact@v2
         continue-on-error: true
         with: