diff --git a/.github/workflows/sandbox.yaml b/.github/workflows/sandbox.yaml
index 424ee545e9..564229fe55 100644
--- a/.github/workflows/sandbox.yaml
+++ b/.github/workflows/sandbox.yaml
@@ -846,6 +846,10 @@ jobs:
   pr_creation:
     runs-on: ubuntu-latest
     steps:
+    - name: Checkout
+      if: startsWith(github.event.pull_request.head.ref, 'sandbox/')
+      uses: actions/checkout@v4
+        
     - name: Get a branch name if PR is created
       if: startsWith(github.event.pull_request.head.ref, 'sandbox/')
       run: |