diff --git a/appveyor.yml b/appveyor.yml
index a082ac6..4a573dc 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -31,7 +31,7 @@ test_script:
 after_test:
   # Upload code coverage results.
   # https://github.com/codecov/codecov-python/issues/158#issuecomment-514282362
-  - (codecov --no-color -X gcov --file py37-default_coverage.xml --required && codecov --no-color -X gcov --file py37-legacy_wexpect_coverage.xml --required && codecov --no-color -X gcov --file py37-spawn_pipe_coverage.xml --required) || (sleep 30 && codecov --no-color -X gcov --file py37-default_coverage.xml --required && codecov --no-color -X gcov --file py37-legacy_wexpect_coverage.xml --required && codecov --no-color -X gcov --file py37-spawn_pipe_coverage.xml --required)
+  - (codecov --no-color -X gcov --file %TOXENV%_coverage.xml --required ) || (sleep 30 && codecov --no-color -X gcov --file %TOXENV%_coverage.xml --required )
   # fill .pypirc file.
   # pypi
   - cmd: "echo [pypi] > %USERPROFILE%\\.pypirc"