diff --git a/tox.ini b/tox.ini
index cd5bdd20..04e44995 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,7 +3,7 @@ envlist = py{37,38,39,310}{,-cov}
 
 [testenv]
 deps = -rtests/requirements.txt
-passenv = DEBUGPY_LOG_DIR DEBUGPY_TESTS_FULL TRAVIS
+passenv = DEBUGPY_LOG_DIR,DEBUGPY_TESTS_FULL
 setenv =
     DEBUGPY_TEST=1
 commands =