diff --git a/src/components/sidebar/tabs/nodeLibrary/NodeBookmarkTreeExplorer.vue b/src/components/sidebar/tabs/nodeLibrary/NodeBookmarkTreeExplorer.vue
index 51bfcabb9..5e1c8753c 100644
--- a/src/components/sidebar/tabs/nodeLibrary/NodeBookmarkTreeExplorer.vue
+++ b/src/components/sidebar/tabs/nodeLibrary/NodeBookmarkTreeExplorer.vue
@@ -144,7 +144,7 @@ const renderedBookmarkedRoot = computed<TreeExplorerNode<ComfyNodeDefImpl>>(
             return 'pi pi-circle-fill'
           }
           const customization =
-            nodeBookmarkStore.bookmarksCustomization[node.data.nodePath]
+            nodeBookmarkStore.bookmarksCustomization[node.data?.nodePath]
           return customization?.icon
             ? 'pi ' + customization.icon
             : 'pi pi-bookmark-fill'