diff --git a/vlmeval/vlm/internvl_chat.py b/vlmeval/vlm/internvl_chat.py
index 89cda430..16bee8f8 100644
--- a/vlmeval/vlm/internvl_chat.py
+++ b/vlmeval/vlm/internvl_chat.py
@@ -174,7 +174,10 @@ def __init__(self, model_path='OpenGVLab/InternVL-Chat-V1-5', load_in_8bit=False
 
         self.image_size = self.model.config.vision_config.image_size
         self.version = version
-        self.kwargs = kwargs
+        kwargs_default = dict(do_sample=False, max_new_tokens=1024, top_p=None, num_beams=1)
+        kwargs_default.update(kwargs)
+        self.kwargs = kwargs_default
+
         warnings.warn(f'Following kwargs received: {self.kwargs}, will use as generation config. ')
 
     def use_custom_prompt(self, dataset):