diff --git a/web/typo3conf/ext/ep_theme/Resources/Private/Assets/js/_app.js b/web/typo3conf/ext/ep_theme/Resources/Private/Assets/js/_app.js
index 9396e1e4..5cd97587 100644
--- a/web/typo3conf/ext/ep_theme/Resources/Private/Assets/js/_app.js
+++ b/web/typo3conf/ext/ep_theme/Resources/Private/Assets/js/_app.js
@@ -346,11 +346,11 @@ new Vue({
                 if (!url) {
                     return;
                 }
-                if (url.indexOf('pa=') !== -1) {
+                if (url.indexOf('agenturcode=') !== -1) {
                     return;
                 }
                 const separator = url.indexOf('?') === -1 ? '?' : '&';
-                url += separator + 'pa=' + paCode;
+                url += separator + 'agenturcode=' + paCode;
                 $(this).attr('href', url);
             });
         }