diff --git a/Resources/views/layout.html.twig b/Resources/views/layout.html.twig
index e152b0d2d..de8175c92 100644
--- a/Resources/views/layout.html.twig
+++ b/Resources/views/layout.html.twig
@@ -166,7 +166,7 @@
         chill.initPikaday('{{ app.request.locale }}');
         chill.emulateSticky();
         chill.checkOtherValueOnChange();
-        $('.select2').select2();
+        $('.select2').select2({allowClear: true});
     </script>
 
     {% block js%}<!-- nothing added to js -->{% endblock %}