diff --git a/.github/workflows/node.js.yml b/.github/workflows/node.js.yml
index 2284b93..6647b37 100644
--- a/.github/workflows/node.js.yml
+++ b/.github/workflows/node.js.yml
@@ -27,5 +27,6 @@ jobs:
         node-version: ${{ matrix.node-version }}
         cache: 'npm'
     - run: npm ci
+    - run: ls -la src/msscmp/
     - run: npm run build --if-present
     - run: npm test