diff --git a/packages/client/src/components/notification.vue b/packages/client/src/components/notification.vue
index 3a0a21683d..5cf44f4c56 100644
--- a/packages/client/src/components/notification.vue
+++ b/packages/client/src/components/notification.vue
@@ -113,7 +113,7 @@ export default defineComponent({
 					os.stream.send('readNotification', {
 						id: props.notification.id
 					});
-					observer.readObserver.disconnect()();
+					observer.disconnect();
 				});
 
 				readObserver.observe(elRef.value);