diff --git a/.github/workflows/check-deploy.yml b/.github/workflows/check-deploy.yml
index 26a8c772..28e21dea 100644
--- a/.github/workflows/check-deploy.yml
+++ b/.github/workflows/check-deploy.yml
@@ -220,7 +220,7 @@ jobs:
       - uses: jetli/trunk-action@v0.4.0
       # GH pages doesn't use the same url naming as trunk's default
       # https://github.com/thedodd/trunk/issues/268
-      - run: trunk build --public-url "shipyard/visualizer/" --release visualizer/index.html
+      - run: trunk build --public-url "/shipyard/visualizer/" --release visualizer/index.html
       - name: save visualizer
         uses: actions/upload-artifact@v2
         with: