diff --git a/script/gallery.js b/script/gallery.js
index 47da313..4a38eb6 100644
--- a/script/gallery.js
+++ b/script/gallery.js
@@ -100,8 +100,11 @@ function useFragment() {
     clearForm();
   } else {
     let set = new Set(frag.split(';'));
-    allBoxes.forEach(b => b.checked = set.has(b.id));
-    document.getElementById('filters-details').open = true;
+    if (new Array(...set).every(x => /^(require|exclude)_/.test(x))) {
+      allBoxes.forEach(b => b.checked = set.has(b.id));
+      let details = document.getElementById('filters-details');
+      details.open = !set.has('hide_filters');
+    }
   }
 
   updateItems();