diff --git a/eval_scripts/eval_ref.py b/eval_scripts/eval_ref.py
index d7dda0f..9ef700e 100644
--- a/eval_scripts/eval_ref.py
+++ b/eval_scripts/eval_ref.py
@@ -36,6 +36,7 @@ eval_dict = {'refcoco': args.split,
 
 model, vis_processor = init_model(args)
 model.eval()
+CONV_VISION = CONV_VISION_LLama2
 conv_temp = CONV_VISION.copy()
 conv_temp.system = ""