diff --git a/src/haiku/rag/app.py b/src/haiku/rag/app.py
index 74d52d0a..ad591fe1 100644
--- a/src/haiku/rag/app.py
+++ b/src/haiku/rag/app.py
@@ -170,7 +170,7 @@ class HaikuRAGApp:
                 if transport == "stdio":
                     await server.run_stdio_async()
                 elif transport == "sse":
-                    await server.run_sse_async("sse")
+                    await server.run_sse_async()
                 else:
                     await server.run_http_async("streamable-http")
             except KeyboardInterrupt:
diff --git a/tests/test_app.py b/tests/test_app.py
index 037d0f9c..9da31ef1 100644
--- a/tests/test_app.py
+++ b/tests/test_app.py
@@ -200,7 +200,7 @@ async def test_serve(app: HaikuRAGApp, monkeypatch, transport):
     if transport == "stdio":
         mock_server.run_stdio_async.assert_called_once()
     elif transport == "sse":
-        mock_server.run_sse_async.assert_called_once_with("sse")
+        mock_server.run_sse_async.assert_called_once()
     else:
         mock_server.run_http_async.assert_called_once_with("streamable-http")