diff --git a/.github/workflows/main_deploy.yaml b/.github/workflows/main_deploy.yaml
index 3b128b1e..f66a4926 100644
--- a/.github/workflows/main_deploy.yaml
+++ b/.github/workflows/main_deploy.yaml
@@ -23,7 +23,7 @@ jobs:
       - name: Prepare web
         run: ./scripts/prepare-web.sh
       - name: Build Release Web
-        run: flutter build web --dart-define=FLUTTER_WEB_CANVASKIT_URL=canvaskit/ --release --source-maps --base-href "/web/"
+        run: flutter build web --dart-define=FLUTTER_WEB_CANVASKIT_URL=canvaskit/ --release --source-maps --base-href "/nightly/"
       - run: mv build/web/ public
       - name: Deploy to GitHub Pages
         uses: peaceiris/actions-gh-pages@v3