diff --git a/app/features/chat/ChatProvider.tsx b/app/features/chat/ChatProvider.tsx
index 965f423bf..a4a52abdc 100644
--- a/app/features/chat/ChatProvider.tsx
+++ b/app/features/chat/ChatProvider.tsx
@@ -327,8 +327,10 @@ function ChatProviderInner({
 				),
 			);
 
-			if (roomCode === activeRoom && chatOpen) {
+			const isOwnMessage = msg.userId === userId;
+			if (isOwnMessage || (roomCode === activeRoom && chatOpen)) {
 				writeLastReadCount(roomCode, msg.totalMessageCount);
+				setUnreadCounts((prev) => ({ ...prev, [roomCode]: 0 }));
 			} else {
 				setUnreadCounts((prev) => ({
 					...prev,