diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1bfe036..beaa1cb 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -33,7 +33,7 @@ jobs:
         flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
     - name: Test with pytest
       run: |
-        coverage run --source=./ -m pytest
+        coverage run --source=./cr3bp -m pytest
     - name: Upload coverage to codecov
       uses: codecov/codecov-action@v1
       with: