diff --git a/tox.ini b/tox.ini
index fbe9c333..68b55997 100644
--- a/tox.ini
+++ b/tox.ini
@@ -43,7 +43,7 @@ envlist =
     py{37,38,39,310,311}-ext-sqlite3
 
 [testenv]
-passenv = TOXENV CI CODECOV_*
+passenv = TOXENV,CI,CODECOV_*
 
 deps =
     ; Testing packages