diff --git a/oe_whitelabel.theme b/oe_whitelabel.theme
index 230dbc9325ba08a6f0ef78e37c454cd5f1a8a940..363986d03d091d52830c85413a94ccba475e4fb2 100644
--- a/oe_whitelabel.theme
+++ b/oe_whitelabel.theme
@@ -112,5 +112,5 @@ function oe_whitelabel_form_system_theme_settings_alter(&$form, FormStateInterfa
  * Implements hook_preprocess().
  */
 function oe_whitelabel_preprocess(&$variables) {
-  $variables['bcl_component_library'] = theme_get_setting('component_library');
+  $variables['bcl_component_library'] = theme_get_setting('component_library') ?? 'eu';
 }