diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 9aadda2..fa1266c 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -32,9 +32,9 @@ jobs:
         pip install -e .
     - name: Test with coverage
       run: |
-        coverage run --source allantools setup.py test
-        coverage html
+        coverage run --branch --source allantools setup.py test
         coverage report
+        coverage lcov
     - name: Coveralls GitHub Action
       uses: coverallsapp/github-action@v2.2.3