diff --git a/pilot/model/guanaco_llm.py b/pilot/model/guanaco_llm.py
index df4f86dce..ba10b4f56 100644
--- a/pilot/model/guanaco_llm.py
+++ b/pilot/model/guanaco_llm.py
@@ -7,7 +7,7 @@ from transformers import GenerationConfig
 from pilot.model.llm_utils import Iteratorize, Stream
 
 
-def guanaco_generate_output(model, tokenizer, params, device):
+def guanaco_generate_output(model, tokenizer, params, device, context_len=2048, stream_interval=2):
     """Fork from fastchat: https://github.com/KohakuBlueleaf/guanaco-lora/blob/main/generate.py"""
     prompt = params["prompt"]
     inputs = tokenizer(prompt, return_tensors="pt")