diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 8fb0559b5..e0892f8df 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -58,7 +58,7 @@ jobs:
         with:
           python-version: ${{ matrix.py }}
       - name: Install sox
-        if: ${{ matrix.os == "ubuntu-latest" }}
+        if: ${{ startsWith(matrix.os, 'ubuntu') }}
         run: sudo apt-get install sox
       - name: Install tox
         run: python -m pip install tox-gh>=1.2