1 files changed, 1 insertions, 1 deletions

diff --git a/tox.ini b/tox.ini
index 0d104ce..2d99d6e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -11,7 +11,7 @@ skipsdist = True
 
 [testenv]
 changedir = {envtmpdir}
-passenv = CI GITHUB_STEP_SUMMARY PYTHONUTF8
+passenv = CI, GITHUB_STEP_SUMMARY, PYTHONUTF8
 setenv =
     JSON_SCHEMA_TEST_SUITE = {toxinidir}/json