diff --git a/.github/workflows/explorer_preview.yml b/.github/workflows/explorer_preview.yml
index f490bc5762..82336bf214 100644
--- a/.github/workflows/explorer_preview.yml
+++ b/.github/workflows/explorer_preview.yml
@@ -10,8 +10,8 @@ jobs:
     if: ${{ github.event.workflow_run.conclusion == 'success' }}
     steps:
        - uses: actions/checkout@v2
-         with:
-          ref: ${{ github.event.pull_request.head.sha }}
+#          with:
+#           ref: ${{ github.event.pull_request.head.sha }}
        - uses: actions/setup-node@v2
          with:
            node-version: '14'