diff --git a/components/chat-panel.tsx b/components/chat-panel.tsx
index 4166ba6..9f2be7d 100644
--- a/components/chat-panel.tsx
+++ b/components/chat-panel.tsx
@@ -23,6 +23,7 @@ interface ChatPanelProps {
 export default function ChatPanel({
     onDisplayChart,
     onFetchChart,
+    mergeXML,
     diagramHistory = [],
     onAddToHistory = () => {},
 }: ChatPanelProps) {