diff --git a/modules/models/base_model.py b/modules/models/base_model.py
index 06411632..61f59d15 100644
--- a/modules/models/base_model.py
+++ b/modules/models/base_model.py
@@ -247,7 +247,7 @@ def __init__(
         temperature=1.0,
         top_p=1.0,
         n_choices=1,
-        stop="",
+        stop=[],
         max_generation_token=None,
         presence_penalty=0,
         frequency_penalty=0,