diff --git a/frontend/packages/dashboard/src/core.html b/frontend/packages/dashboard/src/core.html
index 6de67577..6fade074 100644
--- a/frontend/packages/dashboard/src/core.html
+++ b/frontend/packages/dashboard/src/core.html
@@ -59,7 +59,7 @@
            time). Managed by renderRebuildLiveLog in core.js, separate from
            rebuild-queue-section so the queue's row re-render never disturbs
            the open SSE stream. -->
-      <div id="rebuild-live-log" hidden></div>
+      <div id="rebuild-live-log" class="rebuild-live-log" hidden></div>
     </section>
 
     <!-- M3T4 1NPUTS: select inputs to nix flake update in /meta/. -->