diff --git a/evals/completion_fns/openai.py b/evals/completion_fns/openai.py
index ed50818630..fda2cb38ef 100644
--- a/evals/completion_fns/openai.py
+++ b/evals/completion_fns/openai.py
@@ -100,6 +100,7 @@ def __init__(
         api_key: Optional[str] = None,
         n_ctx: Optional[int] = None,
         extra_options: Optional[dict] = {},
+        **kwargs,
     ):
         self.model = model
         self.api_base = api_base