diff --git a/src/frontend/src/types/components/index.ts b/src/frontend/src/types/components/index.ts
index 465c81f1f..0a0da32ad 100644
--- a/src/frontend/src/types/components/index.ts
+++ b/src/frontend/src/types/components/index.ts
@@ -524,7 +524,7 @@ export type chatMessagePropsType = {
   chat: ChatMessageType;
   lockChat: boolean;
   lastMessage: boolean;
-  updateChat: (
+  updateChat?: (
     chat: ChatMessageType,
     message: string,
     stream_url: string | null