diff --git a/src/Hackspace/Bundle/CalciferBundle/Controller/EventController.php b/src/Hackspace/Bundle/CalciferBundle/Controller/EventController.php
index fe58d16..ead80bc 100755
--- a/src/Hackspace/Bundle/CalciferBundle/Controller/EventController.php
+++ b/src/Hackspace/Bundle/CalciferBundle/Controller/EventController.php
@@ -255,7 +255,7 @@ class EventController extends Controller
                 } else {
                     $tag_obj = new Tag();
                     $tag_obj->name = $tag;
-                    $tag_obj->slug = \URLify::filter($tag_obj->getName(), 255, 'de');
+                    $tag_obj->slug = \URLify::filter($tag_obj->name, 255, 'de');
                     $em->persist($tag_obj);
                     $em->flush();
                     $entity->addTag($tag_obj);