diff --git a/.github/workflows/codecov.yml b/.github/workflows/codecov.yml
index 3689e49..e925ad5 100644
--- a/.github/workflows/codecov.yml
+++ b/.github/workflows/codecov.yml
@@ -31,7 +31,7 @@ jobs:
           pip install pytest pytest-cov .
 
       - name: Run tests
-        run: pytest --cov=mdto --cov-report=xml
+        run: pytest --cov . --cov-report=xml --cov-exclude="tests/*"
 
       - name: Upload results to Codecov
         uses: codecov/codecov-action@v5