diff --git a/.github/workflows/preview-docs.yml b/.github/workflows/preview-docs.yml
index 21ecf9528..b865777ef 100644
--- a/.github/workflows/preview-docs.yml
+++ b/.github/workflows/preview-docs.yml
@@ -14,6 +14,8 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
+        with:
+          ref: refs/pull/${{ github.event.pull_request.number }}/merge
 
       - name: Setup Node.js 
         uses: actions/setup-node@v4