diff --git a/Theme/Backend/eventmanagement-profile.tpl.php b/Theme/Backend/eventmanagement-profile.tpl.php
index 82400d4..936de46 100644
--- a/Theme/Backend/eventmanagement-profile.tpl.php
+++ b/Theme/Backend/eventmanagement-profile.tpl.php
@@ -24,7 +24,7 @@ echo $this->getData('nav')->render(); ?>
         <section class="box wf-100">
             <header><h1><?= $event->getName(); ?></h1></header>
             <div class="inner">
-                <form id="fEvent" method="POST" action="<?= \phpOMS\Uri\UriFactory::build('/{/lang}/api/eventmanagement?{?}&csrf={$CSRF}'); ?>">
+                <form id="fEvent" method="POST" action="<?= \phpOMS\Uri\UriFactory::build('{/base}/{/lang}/api/eventmanagement?{?}&csrf={$CSRF}'); ?>">
                     <table class="layout wf-100">
                         <tbody>
                         <tr><td colspan="2"><label for="iName"><?= $this->getText('Name'); ?></label>