diff --git a/tests/conftest.py b/tests/conftest.py
index c76550b..7462e8a 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -60,7 +60,7 @@ async def use_legacy_config(app: App):
     import aiofiles
     from nonebot_bison.config.config_legacy import config, get_config_path
 
-    async with aiofiles.open(get_config_path(), "w") as f:
+    async with aiofiles.open(get_config_path()[0], "w") as f:
         await f.write("{}")
 
     config._do_init()