diff --git a/openai_pool_orchestrator/static/app.js b/openai_pool_orchestrator/static/app.js
index 9f51330..f9d4bd7 100755
--- a/openai_pool_orchestrator/static/app.js
+++ b/openai_pool_orchestrator/static/app.js
@@ -1004,7 +1004,7 @@ function syncTaskChrome() {
   const hasLiveRun = Boolean(state.task.run_id) && !state.task.finished_at;
   const isActive = ['starting', 'running'].includes(status);
   const isStopping = status === 'stopping';
-  const canStop = ['starting', 'running', 'stopping', 'failed'].includes(status) || hasLiveRun;
+  const canStop = !['idle', 'stopped', 'finished'].includes(status);
   DOM.btnStart.disabled = hasLiveRun || isStopping;
   DOM.btnStop.disabled = !canStop;
   DOM.progressFill.className = isActive