diff --git a/static/js/folders.js b/static/js/folders.js
index 833bec2..353c73d 100644
--- a/static/js/folders.js
+++ b/static/js/folders.js
@@ -23,14 +23,14 @@
   // picked with onPick({lead: id}). active: null = all, '' = without a folder, else a name.
 
   // The folders fold away (a "Ordner" chip), per area (the list's element id), remembered on
-  // this device; folded, only the folder chosen stays in sight.
+  // this device; folded, only the folder chosen stays in sight. Folded until opened.
   function areaKey(el) {
     const owner = el.id ? el : el.parentElement && el.parentElement.closest('[id]');
     return 'diora_folders_folded_' + (owner ? owner.id : 'x');
   }
 
   function folded(el) {
-    try { return localStorage.getItem(areaKey(el)) === '1'; } catch (e) { return false; }
+    try { return localStorage.getItem(areaKey(el)) !== '0'; } catch (e) { return true; }
   }
 
   function chips(el, o) {
diff --git a/static/js/sw.js b/static/js/sw.js
index 08eeb26..6320369 100644
--- a/static/js/sw.js
+++ b/static/js/sw.js
@@ -2,7 +2,7 @@
  * diora service worker — caches the app shell for offline use.
  */
 
-const CACHE = 'diora-v159';
+const CACHE = 'diora-v160';
 const SHELL = [
   '/static/css/app.css',
   '/static/js/app/01-core.js',