diff --git a/pytest.ini b/pytest.ini
index 9bf10c82..0b403ed9 100644
--- a/pytest.ini
+++ b/pytest.ini
@@ -1,3 +1,5 @@
 [pytest]
-addopts = --flake8 --isort --cov radicale/ radicale/tests
+# Broken with Travis, see https://gitlab.com/pycqa/flake8/issues/164
+# addopts = --flake8 --isort --cov radicale/ radicale/tests
+addopts = --isort --cov radicale/ radicale/tests
 norecursedirs = dist .cache .git build *.egg-info .eggs venv