diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 580bf50..20cda42 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -35,6 +35,10 @@ jobs:
       - name: Export playground
         run: npx tree-sitter playground --export ./public
 
+      - name: Set LANGUAGE_BASE_URL for GitHub Pages
+        run: |
+          sed -i 's|LANGUAGE_BASE_URL = ""|LANGUAGE_BASE_URL = "/tree-sitter-rescript"|' ./public/index.html
+
       - name: Setup Pages
         uses: actions/configure-pages@v5
 
diff --git a/.gitignore b/.gitignore
index cb2240f..3b3596f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -49,3 +49,6 @@ zig-out/
 # Others
 log.html
 test_wild/
+
+# Playground
+public/