diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index dd89a62..bfd8ef1 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -33,11 +33,14 @@ jobs:
         with:
           node-version: "20"
       - name: Setup Pages
+        id: pages
         uses: actions/configure-pages@v3
       - name: Install dependencies
         run: npm install
       - name: Build
-        run: npm run build
+        run: npm run build -- --base "${{ steps.pages.outputs.base_path }}"
+      - name: Custom 404 page
+        run: cp ./dist/index.html ./dist/404.html
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v2
         with: