diff --git a/assets/components/LogEventSource.vue b/assets/components/LogEventSource.vue
index 524a7bef..e5c0df79 100644
--- a/assets/components/LogEventSource.vue
+++ b/assets/components/LogEventSource.vue
@@ -52,6 +52,7 @@ export default {
       if (this.es) {
         this.es.close();
         this.es = null;
+        this.flushBuffer.cancel();
       }
       this.messages = [];
       this.buffer = [];