diff --git a/tests/conftest.py b/tests/conftest.py
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -51,7 +51,7 @@
     return ATFHandler.get_atf_vars()
 
 
-@pytest.mark.trylast
+@pytest.hookimpl(trylast=True)
 def pytest_configure(config):
     if config.option.help:
         return