diff --git a/main.cpp b/main.cpp
index 6202475..b532954 100644
--- a/main.cpp
+++ b/main.cpp
@@ -41,6 +41,7 @@ struct NotebookInfo {
 	std::uint64_t version = 0;
 	std::uintmax_t total_size = 0;
 	bool deleted = false;
+	bool isolated = true;
 };
 
 struct Node {
@@ -106,6 +107,7 @@ NotebookMapType build_notebook_infos (
 			curr_info.type = json_doc["type"];
 			curr_info.version = json_doc["version"];
 			curr_info.visible_name = json_doc["visibleName"];
+			curr_info.isolated = false;
 		}
 		else if (fs::is_directory(entry)) {
 			for (const auto& subentry : fs::recursive_directory_iterator(entry)) {
@@ -167,9 +169,12 @@ std::vector<Node> to_tree (const NotebookMapType& nbs) {
 
 	return roots;
 }
+
 void print_tree (const Node& tree, std::string_view desc={}, std::string indent={}) {
 	std::cout << indent << desc << " (\"" << tree.name << "\")";
-	if (tree.info and tree.info->deleted)
+	if (tree.info && tree.info->isolated)
+		std::cout << " ISOLATED";
+	else if (tree.info and tree.info->deleted)
 		std::cout << " DELETED";
 	std::cout << '\n';
 
@@ -200,7 +205,7 @@ std::vector<const NotebookInfo*> to_flat_notebook_list (const Node& tree) {
 }
 
 std::vector<const NotebookInfo*> make_dele_list (const Node& tree) {
-	if (tree.info and tree.info->deleted)
+	if (tree.info and (tree.info->deleted or tree.info->isolated))
 		return to_flat_notebook_list(tree);
 
 	std::vector<const NotebookInfo*> retval;