diff --git a/README.md b/README.md
index a8bb866..0f6dc1f 100644
--- a/README.md
+++ b/README.md
@@ -52,7 +52,8 @@ jobs:
         pip install pytest
         pip install pytest-cov
         pytest --cov=./ --cov-report=xml
-    - name: Upload coverage to Codecov  
+    - name: Upload coverage to Codecov
+      if: runner.os == 'Linux'
       uses: codecov/codecov-action@v1.0.3
       with:
         token: ${{secrets.CODECOV_TOKEN}}