diff --git a/data/static/js/bitties/pyrom-bitty.js b/data/static/js/bitties/pyrom-bitty.js
index 6514c85..f998161 100644
--- a/data/static/js/bitties/pyrom-bitty.js
+++ b/data/static/js/bitties/pyrom-bitty.js
@@ -3,7 +3,11 @@ const bookmarkMenuHrefTemplate = '/hyperapi/bookmarks-dropdown'
 export default class {
   async showBookmarkMenu(ev, el) {
     if ((ev.target.dataset.bookmarkId === el.dataset.bookmarkId) && el.childElementCount === 0) {
-      const bookmarkMenuHref = `${bookmarkMenuHrefTemplate}/${ev.target.dataset.bookmarkType}?id=${ev.target.dataset.conceptId}&require_reload=${el.dataset.requireReload}`;
+      const searchParams = new URLSearchParams({
+        'id': ev.target.dataset.conceptId,
+        'require_reload': el.dataset.requireReload,
+      });
+      const bookmarkMenuHref = `${bookmarkMenuHrefTemplate}/${ev.target.dataset.bookmarkType}?${searchParams}`;
       const res = await this.api.getHTML(bookmarkMenuHref);
       if (res.error) {
         return;