diff --git a/.github/workflows/preview.yml b/.github/workflows/preview.yml
index da7e159..655100b 100644
--- a/.github/workflows/preview.yml
+++ b/.github/workflows/preview.yml
@@ -17,7 +17,7 @@ jobs:
         if: github.event.action != 'closed'
       - uses: rossjrw/pr-preview-action@v1
         with:
-          source-dir: .
+          source-dir: ./out
           preview-branch: gh-pages
           umbrella-dir: pr-preview
           action: auto