diff --git a/js/ui.js b/js/ui.js
index 95f3a63..4bbb462 100644
--- a/js/ui.js
+++ b/js/ui.js
@@ -156,9 +156,10 @@ function fmtHistVal(field, val) {
 }
 
 async function renderDetailPage(vmid) {
-  const [inst, history] = await Promise.all([getInstance(vmid), getInstanceHistory(vmid)]);
+  const [inst, history, all] = await Promise.all([getInstance(vmid), getInstanceHistory(vmid), getInstances()]);
   if (!inst) { navigate('dashboard'); return; }
   currentVmid = vmid;
+  document.getElementById('nav-count').textContent = `${all.length} instance${all.length !== 1 ? 's' : ''}`;
 
   document.getElementById('detail-vmid-crumb').textContent  = vmid;
   document.getElementById('detail-name').textContent        = inst.name;