diff --git a/core/modules/taxonomy/src/Plugin/Condition/Vocabulary.php b/core/modules/taxonomy/src/Plugin/Condition/Vocabulary.php
index 34dd21a..0d0a607 100644
--- a/core/modules/taxonomy/src/Plugin/Condition/Vocabulary.php
+++ b/core/modules/taxonomy/src/Plugin/Condition/Vocabulary.php
@@ -82,6 +82,15 @@ public function buildConfigurationForm(array $form, array &$form_state) {
   /**
    * {@inheritdoc}
    */
+  public function defaultConfiguration() {
+    return array(
+      'bundles' => array(),
+    );
+  }
+
+  /**
+   * {@inheritdoc}
+   */
   public function submitConfigurationForm(array &$form, array &$form_state) {
     $this->configuration['bundles'] = array_filter($form_state['values']['bundles']);
     parent::submitConfigurationForm($form, $form_state);