diff --git a/src/components/Permalink/Permalink.js b/src/components/Permalink/Permalink.js
index 0a7f2ab8..c159a3bf 100644
--- a/src/components/Permalink/Permalink.js
+++ b/src/components/Permalink/Permalink.js
@@ -116,7 +116,7 @@ class Permalink extends PureComponent {
           } else if (
             !isBaseLayer(l) &&
             !isLayerHidden(l) &&
-            !(l.children || l.get("children")).some((ll) => {
+            !(l.children || l.get("children"))?.some((ll) => {
               return ll.getVisible ? ll.getVisible() : ll.visible;
             })
           ) {