diff --git a/tox.ini b/tox.ini
index 67436888f..4910a9f6b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -30,6 +30,8 @@ passenv=
     DB_PASSWORD
     DB_HOST
     DB_PORT
+    DISPLAY
+    DJANGO_SELENIUM_TESTS
     GITHUB_*
 setenv =
     PYTHONPATH = {toxinidir}