diff --git a/tests/test_protocol.py b/tests/test_protocol.py
index d7e54883..52277ac9 100644
--- a/tests/test_protocol.py
+++ b/tests/test_protocol.py
@@ -19,6 +19,6 @@ def test_rich_cast():
 
 def test_rich_cast_container():
     foo = Foo()
-    console = Console(file=io.StringIO())
+    console = Console(file=io.StringIO(), legacy_windows=False)
     console.print(Panel.fit(foo))
     assert console.file.getvalue() == "╭───╮\n│Foo│\n╰───╯\n"