diff --git a/js/ui.js b/js/ui.js
index b691475..64930fa 100644
--- a/js/ui.js
+++ b/js/ui.js
@@ -318,9 +318,7 @@ async function _snapshotJobBaseline() {
 
 async function _waitForOnCreateJobs(baseline) {
   const jobs = await fetch('/api/jobs').then(r => r.json());
-  const relevant = jobs.filter(j => {
-    try { return JSON.parse(j.config || '{}').run_on_create; } catch { return false; }
-  });
+  const relevant = jobs.filter(j => (j.config ?? {}).run_on_create);
   if (!relevant.length) return;
 
   const deadline = Date.now() + 30_000;