diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 3cd4781..4e99bb5 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -30,6 +30,7 @@ jobs:
       - name: Test
         run: npm run test
       - name: Coverage
+        if: ${{ matrix.os == 'ubuntu-latest' }}
         uses: codecov/codecov-action@v1
   test-system:
     strategy: