diff --git a/frontend/packages/dashboard/src/builds.js b/frontend/packages/dashboard/src/builds.js
index ac01cca2..99381a07 100644
--- a/frontend/packages/dashboard/src/builds.js
+++ b/frontend/packages/dashboard/src/builds.js
@@ -425,7 +425,11 @@ function renderRebuildLiveLog(queue) {
   const header = el('div', { class: 'rebuild-live-log-header' },
     toggle, ' ',
     el('span', { class: 'rebuild-live-log-title' }, 'live build log — '),
-    el('code', { class: 'rqe-agent' }, entryAgents(running)),
+    // This header labels one specific node's log stream (`liveNode`), not
+    // the DAG as a whole — so it's the node's own agent, not the DAG's
+    // full agent set (which would mislabel a single agent's log with every
+    // agent once DAGs span multiple).
+    el('code', { class: 'rqe-agent' }, liveNode.agent),
     ' ', el('span', { class: 'rqe-kind' },
       (running.kind || 'rebuild') + ' · ' + (NODE_KIND_LABEL[liveNode.kind] || liveNode.kind)),
     ' ', badge, ' ',