diff --git a/tox.ini b/tox.ini
index 43bdda327..98f3f285c 100644
--- a/tox.ini
+++ b/tox.ini
@@ -21,7 +21,9 @@ commands_pre =
     piplatest: python -m pip install -U pip
     pip --version
 commands = pytest {posargs}
-passenv = CI GITHUB_ACTIONS
+passenv =
+    CI
+    GITHUB_ACTIONS
 pip_pre=True
 
 [testenv:checkqa]