diff --git a/maubot/__main__.py b/maubot/__main__.py
index b88d960..a188ff5 100644
--- a/maubot/__main__.py
+++ b/maubot/__main__.py
@@ -61,7 +61,7 @@ clients = init_client_class(db_session, loop)
 management_api = init_mgmt_api(config, loop)
 server = MaubotServer(config, loop)
 server.app.add_subapp(config["server.base_path"], management_api)
-plugins = init_plugin_instance_class(db_session, config, server.app, loop)
+plugins = init_plugin_instance_class(db_session, config, server, loop)
 
 for plugin in plugins:
     plugin.load()