diff --git a/core/modules/language/src/Form/LanguageAddForm.php b/core/modules/language/src/Form/LanguageAddForm.php
index f0b1029..27082aa 100644
--- a/core/modules/language/src/Form/LanguageAddForm.php
+++ b/core/modules/language/src/Form/LanguageAddForm.php
@@ -54,6 +54,7 @@ public function form(array $form, FormStateInterface $form_state) {
       ),
       '#validate' => array('::validatePredefined'),
       '#submit' => array('::submitForm', '::save'),
+      //'#button_type' => 'primary',
     );
 
     $custom_language_states_conditions = array(