diff --git a/extension/background.js b/extension/background.js
index 3c550cc..0b89a4f 100644
--- a/extension/background.js
+++ b/extension/background.js
@@ -509,6 +509,7 @@ chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
         currentRoom = null;
         if (storageInitialized) chrome.storage.session.set({ currentRoom: null });
         addLog('Left Room', 'info');
+        chrome.runtime.sendMessage({ type: 'PEER_UPDATE', peers: [] }).catch(() => {});
     } else if (message.type === 'CLEAR_LOGS') {
         logs = [];
         sendResponse({ status: 'ok' });
diff --git a/extension/popup.js b/extension/popup.js
index 6c2b6b3..1553090 100644
--- a/extension/popup.js
+++ b/extension/popup.js
@@ -114,6 +114,8 @@ function updateUI(roomId, password, useCustomServer = false, serverUrl = '') {
             elements.activeServer.textContent = useCustomServer ? (serverUrl || 'Custom Server') : 'Official Server';
             elements.activeServer.title = useCustomServer ? (serverUrl || '') : 'sync.shik3i.net';
         }
+    } else {
+        updatePeerList([]);
     }
 }