diff --git a/pytest.ini b/pytest.ini
index ca8191f42..1c95f715a 100644
--- a/pytest.ini
+++ b/pytest.ini
@@ -1,4 +1,5 @@
 [pytest]
+xfail_strict = true
 usefixtures = chdir
 python_files=test_*.py __init__.py
 python_classes=
@@ -40,4 +41,3 @@ flake8-ignore =
     scrapy/utils/multipart.py F403
     scrapy/utils/url.py F403 F405
     tests/test_loader.py E741
-