diff --git a/src/pyob/dashboard_html.py b/src/pyob/dashboard_html.py
index 32e2835..e72a2fb 100644
--- a/src/pyob/dashboard_html.py
+++ b/src/pyob/dashboard_html.py
@@ -201,7 +201,7 @@
                         const moveDownBtn = document.createElement('button');
                         moveDownBtn.className = 'move-btn';
                         moveDownBtn.innerHTML = '▼';
-                        moveDownBtn.onclick = () => moveQueueItem(item, 'down');
+                        moveDownBtn.addEventListener('click', () => moveQueueItem(item, 'down'));
 
                         const removeBtn = document.createElement('button');
                         removeBtn.className = 'remove-btn';