diff --git a/libs/partners/openai/langchain_openai/chat_models/base.py b/libs/partners/openai/langchain_openai/chat_models/base.py
index f9f6841aaf..cd341a80c5 100644
--- a/libs/partners/openai/langchain_openai/chat_models/base.py
+++ b/libs/partners/openai/langchain_openai/chat_models/base.py
@@ -332,7 +332,7 @@ class BaseChatOpenAI(BaseChatModel):
     """Penalizes repeated tokens according to frequency."""
     seed: Optional[int] = None
     """Seed for generation"""
-    logprobs: Optional[bool] = False
+    logprobs: Optional[bool] = None
     """Whether to return logprobs."""
     top_logprobs: Optional[int] = None
     """Number of most likely tokens to return at each token position, each with