diff --git a/lib/dashboard/public/single_instances.js b/lib/dashboard/public/single_instances.js
index <HASH>..<HASH> 100644
--- a/lib/dashboard/public/single_instances.js
+++ b/lib/dashboard/public/single_instances.js
@@ -19,6 +19,10 @@ document.addEventListener('DOMContentLoaded', () => {
 					continue;
 				}
 
+				if (!newVal[url]) {
+					return;
+				}
+
 				const siEl = document.createElement('ncg-single-instance');
 				siEl.url = url;
 				instancesList.appendChild(siEl);
fix(single_instance): fix "Kill" buttons always being visible, even if no instance was open