diff --git a/tox.ini b/tox.ini
index 868a90b32..8bcc51022 100644
--- a/tox.ini
+++ b/tox.ini
@@ -11,7 +11,7 @@ envlist = py34,py35,misc,vulture,pep257,pyflakes,pep8,mccabe,pylint,pyroma,check
 setenv =
     QT_QPA_PLATFORM_PLUGIN_PATH={envdir}/Lib/site-packages/PyQt5/plugins/platforms
     PYTEST_QT_API=pyqt5
-passenv = PYTHON DISPLAY XAUTHORITY HOME USERNAME USER CI
+passenv = PYTHON DISPLAY XAUTHORITY HOME USERNAME USER CI TRAVIS
 deps =
     -r{toxinidir}/requirements.txt
     wheel==0.26.0