diff --git a/javascript/gallery.js b/javascript/gallery.js
index 9a7bc9579..f72ddc29f 100644
--- a/javascript/gallery.js
+++ b/javascript/gallery.js
@@ -456,11 +456,9 @@ class GalleryFile extends HTMLElement {
           this.size = json.size;
           this.mtime = new Date(json.mtime);
           if (opts.browser_cache) {
-            // Store file's actual parent directory (not browsed folder) for consistent cleanup
-            const fileDir = this.src.replace(/\/+/g, '/').replace(/\/[^/]+$/, '');
             await idbAdd({
               hash: this.hash,
-              folder: fileDir,
+              folder: this.folder,
               file: this.name,
               size: this.size,
               mtime: this.mtime,
diff --git a/wiki b/wiki
index e4b53a6d3..a678731c5 160000
--- a/wiki
+++ b/wiki
@@ -1 +1 @@
-Subproject commit e4b53a6d367b4477323cdb171d6bdddf973758a1
+Subproject commit a678731c5da5d77f7c21edf7f1d62d8307d0d7fe