diff --git a/.github/workflows/gh-pages-cicd.yaml b/.github/workflows/gh-pages-cicd.yaml
index df2520a1..b800e1ec 100644
--- a/.github/workflows/gh-pages-cicd.yaml
+++ b/.github/workflows/gh-pages-cicd.yaml
@@ -18,7 +18,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           fetch-depth: 0
-          ref: ${{ github.event.pull_request.head.sha }}
+          ref: ${{ github.event.pull_request.head.ref }}
           token: ${{ secrets.GITHUB_TOKEN }}
 
       - uses: ./.github/actions/setup