diff --git a/materialious/src/routes/(app)/+layout.svelte b/materialious/src/routes/(app)/+layout.svelte
index 30a6f769..f65d74e9 100644
--- a/materialious/src/routes/(app)/+layout.svelte
+++ b/materialious/src/routes/(app)/+layout.svelte
@@ -256,7 +256,13 @@
 		setAmoledTheme();
 
 		if (isLoggedIn && !isYTBackend()) {
-			loadNotifications().catch(() => authStore.set(null));
+			loadNotifications().catch(() => logout());
+		}
+
+		if ($rawMasterKeyStore) {
+			fetch('/api/user/isLoggedIn', { method: 'GET', credentials: 'same-origin' }).catch(() => {
+				logout();
+			});
 		}
 
 		resetScroll();
diff --git a/materialious/src/routes/api/user/isLoggedIn/+server.ts b/materialious/src/routes/api/user/isLoggedIn/+server.ts
new file mode 100644
index 00000000..cef444e0
--- /dev/null
+++ b/materialious/src/routes/api/user/isLoggedIn/+server.ts
@@ -0,0 +1,9 @@
+import { error } from '@sveltejs/kit';
+
+export async function GET({ locals }) {
+	if (!locals.userId) {
+		throw error(401);
+	}
+
+	return new Response();
+}