diff --git a/extensions/openai/completions.py b/extensions/openai/completions.py
index 3bc5170a..5925101a 100644
--- a/extensions/openai/completions.py
+++ b/extensions/openai/completions.py
@@ -261,6 +261,7 @@ def chat_completions_common(body: dict, is_legacy: bool = False, stream=False) -
     name2 = body['bot_name'] or name2
     context = body['context'] or context
     greeting = body['greeting'] or greeting
+    user_bio = body['user_bio'] or ''
 
     # History
     user_input, custom_system_message, history = convert_history(messages)
@@ -271,6 +272,7 @@ def chat_completions_common(body: dict, is_legacy: bool = False, stream=False) -
         'name2': name2,
         'context': context,
         'greeting': greeting,
+        'user_bio': user_bio,
         'instruction_template_str': instruction_template_str,
         'custom_system_message': custom_system_message,
         'chat_template_str': chat_template_str,
diff --git a/extensions/openai/typing.py b/extensions/openai/typing.py
index dbfa7167..c3ef0404 100644
--- a/extensions/openai/typing.py
+++ b/extensions/openai/typing.py
@@ -103,7 +103,7 @@ class ChatCompletionRequestParams(BaseModel):
     context: str | None = Field(default=None, description="Overwrites the value set by character field.")
     greeting: str | None = Field(default=None, description="Overwrites the value set by character field.")
     user_name: str | None = Field(default=None, description="Your name (the user). By default, it's \"You\".", alias="name1")
-    user_bio: str | None = Field(default='', description="The user description/personality.")
+    user_bio: str | None = Field(default=None, description="The user description/personality.")
     chat_template_str: str | None = Field(default=None, description="Jinja2 template for chat.")
 
     chat_instruct_command: str | None = None