diff --git a/templates/partials/tags.html b/templates/partials/tags.html
index 38c4380..92f6cf8 100644
--- a/templates/partials/tags.html
+++ b/templates/partials/tags.html
@@ -53,7 +53,7 @@
             confirmButtonText: 'Add',
             showLoaderOnConfirm: true,
             preConfirm: (tag) => {
-                return fetch(`{{ url_for('add_tag') }}?tag=${encodeURIComponent(tag)}&filter=${encodeURIComponent(window.location.search)}{{ '&person_id='+person_id if person_id else '' }}`)
+                return fetch(`{{ url_for('add_tag') }}?tag=${encodeURIComponent(tag)}&filter=${encodeURIComponent(window.location.search)}{% if person_id %} f'&person_id={person_id}' {% endif%}`)
                     .then(response => {
                         if (!response.ok) {
                             throw new Error(response.statusText)