diff --git a/test/serena/test_tool_parameter_types.py b/test/serena/test_tool_parameter_types.py
index 83a0981c..1299cb3a 100644
--- a/test/serena/test_tool_parameter_types.py
+++ b/test/serena/test_tool_parameter_types.py
@@ -16,7 +16,7 @@ def test_all_tool_parameters_have_type(context):
     cfg = SerenaConfig(gui_log_window=False, web_dashboard=False, log_level=logging.ERROR)
     registry = ToolRegistry()
     cfg.included_optional_tools = tuple(registry.get_tool_names_optional())
-    factory = SerenaMCPFactory(context=context)
+    factory = SerenaMCPFactory(transport="stdio", context=context)
     # Initialize the agent so that the tools are available
     factory.agent = factory._create_serena_agent(cfg)
     tools = list(factory._iter_tools())