diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1ae04d9b..bc2e0bc7 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -43,7 +43,7 @@ jobs:
       - name: Archive simulator build
         working-directory: 'movement/make/build-sim'
         run: |
-          tar -czf movement.tar.gz index.html firmware.wasm firmware.js
+          tar -czf movement.tar.gz firmware.html firmware.wasm firmware.js
       - name: Upload simulator build
         uses: actions/upload-artifact@v4
         with: