diff --git a/.github/workflows/calc-coverage.yml b/.github/workflows/calc-coverage.yml
index 3a46828..e985f25 100644
--- a/.github/workflows/calc-coverage.yml
+++ b/.github/workflows/calc-coverage.yml
@@ -46,6 +46,7 @@ jobs:
         shell: Rscript {0}
       
       - uses: codecov/codecov-action@v6
+        if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name == github.repository
         with:
           fail_ci_if_error: ${{ github.event_name != 'pull_request' || secrets.CODECOV_TOKEN }}
           files: ./cobertura.xml