diff --git a/vite-embedded.config.js b/vite-embedded.config.js
index 9af83b38..8f5bcba8 100644
--- a/vite-embedded.config.js
+++ b/vite-embedded.config.js
@@ -20,7 +20,7 @@ export default defineConfig((env) =>
               matrix_rtc_session: {
                 wait_for_key_rotation_ms: 5000,
                 delayed_leave_event_restart_ms: 4000,
-                delayed_leave_event_delay_ms: 15000,
+                delayed_leave_event_delay_ms: 18000,
               },
             },
           },