diff --git a/src/backend/langflow/components/agents/OpenAIConversationalAgent.py b/src/backend/langflow/components/agents/OpenAIConversationalAgent.py
index e2b876978..ff1a993b1 100644
--- a/src/backend/langflow/components/agents/OpenAIConversationalAgent.py
+++ b/src/backend/langflow/components/agents/OpenAIConversationalAgent.py
@@ -42,8 +42,8 @@ class ConversationalAgent(CustomComponent):
         self,
         model_name: str,
         openai_api_key: str,
-        openai_api_base: str,
         tools: Tool,
+        openai_api_base: Optional[str] = None,
         memory: Optional[BaseMemory] = None,
         system_message: Optional[SystemMessagePromptTemplate] = None,
         max_token_limit: int = 2000,