diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index c6b3405..6c29020 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -44,4 +44,6 @@ jobs:
         python -m pip install --upgrade pip
         pip install tox
     - name: Test
-      run: tox -e ${{ matrix.config[1] }}
+      run: |
+        python -c "import sys; print(sys.platform)"
+        tox -e ${{ matrix.config[1] }}