diff --git a/fastapi_mcp/server.py b/fastapi_mcp/server.py
index bb75106..0cda7aa 100644
--- a/fastapi_mcp/server.py
+++ b/fastapi_mcp/server.py
@@ -141,7 +141,7 @@ def setup_server(self) -> None:
         # Filter tools based on operation IDs and tags
         self.tools = self._filter_tools(all_tools, openapi_schema)
 
-        mcp_server: Server = Server(self.name, self.description)
+        mcp_server: Server = Server(name=self.name, instructions=self.description)
 
         @mcp_server.list_tools()
         async def handle_list_tools() -> List[types.Tool]: