diff --git a/bookwyrm/static/js/bookwyrm.js b/bookwyrm/static/js/bookwyrm.js
index 10032c557..d7ba9ffe0 100644
--- a/bookwyrm/static/js/bookwyrm.js
+++ b/bookwyrm/static/js/bookwyrm.js
@@ -689,7 +689,7 @@ let BookWyrm = new (class {
             statusNode.querySelector('.isbn').innerText = code;
             toggleStatus('found');
 
-            const search = new Url('search');
+            const search = new URL('/search', document.location);
             search.searchParams.set('q', code);
 
             cleanup();