diff --git a/components/dashboard/ChatDetail.tsx b/components/dashboard/ChatDetail.tsx
index 8f45329..e7d0ef0 100644
--- a/components/dashboard/ChatDetail.tsx
+++ b/components/dashboard/ChatDetail.tsx
@@ -268,7 +268,7 @@ export default function ChatDetail({ chatId }: { chatId: string }) {
           // Play notification sound if there are new buyer messages
           if (hasNewMessages) {
             const newMessages = response.messages.slice(messages.length);
-            const hasNewBuyerMessages = newMessages.some(msg => msg.sender === 'buyer');
+            const hasNewBuyerMessages = newMessages.some((msg: Message) => msg.sender === 'buyer');
             
             if (hasNewBuyerMessages) {
               playNotificationSound();