diff --git a/script/gallery.js b/script/gallery.js
index 09510c2..afa1c01 100644
--- a/script/gallery.js
+++ b/script/gallery.js
@@ -95,15 +95,18 @@ function makeFragment() {
 
 function useFragment() {
   let frag = decodeURIComponent(location.hash).replace(/^#/, '');
+  let details = document.getElementById('filters-details');
 
-  if (frag == 'all' || !frag) {
+  if (!frag) {
     clearForm();
+  } else if (frag == 'all') {
+    allBoxes.forEach(b => b.checked = false);
+    details.open = false;
   } else {
     let set = new Set(frag.split(';'));
     let re = /^(require|exclude)_|hide_filters/;
-    if (new Array(...set).every(x => re.test(x))) {
+    if (Array.from(set).every(x => re.test(x))) {
       allBoxes.forEach(b => b.checked = set.has(b.id));
-      let details = document.getElementById('filters-details');
       details.open = !set.has('hide_filters');
     }
   }