diff --git a/.github/workflows/unit_tests.yaml b/.github/workflows/unit_tests.yaml
index ba1e914e..12737971 100644
--- a/.github/workflows/unit_tests.yaml
+++ b/.github/workflows/unit_tests.yaml
@@ -22,11 +22,13 @@ jobs:
         run: pdm run python -m pytest tests/unit --cov=ols --cov=runner --cov-report xml
 
       - name: Upload coverage reports to Codecov with GitHub Action (with token = main repo)
-        if: github.repository == 'road-core/service'
+        if: |
+          github.event_name == 'push' && github.repository == 'road-core/service' ||
+          github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name == 'road-core/service'
         uses: codecov/codecov-action@v4.2.0
         env:
           CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
 
       - name: Upload coverage reports to Codecov with GitHub Action (without token = forks)
-        if: github.repository != 'road-core/service'
+        if: github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name != 'road-core/service'
         uses: codecov/codecov-action@v4.2.0