diff --git a/testing/test_terminal.py b/testing/test_terminal.py
index 596c3c67e..264ab96d8 100644
--- a/testing/test_terminal.py
+++ b/testing/test_terminal.py
@@ -1802,7 +1802,7 @@ def test_terminal_no_summary_warnings_header_once(pytester: Pytester) -> None:
 
 @pytest.fixture(scope="session")
 def tr() -> TerminalReporter:
-    config = _pytest.config._prepareconfig()
+    config = _pytest.config._prepareconfig([])
     return TerminalReporter(config)