diff --git a/src/Form/EventSeriesSettingsForm.php b/src/Form/EventSeriesSettingsForm.php
index 966f7d11fad81d778bcc6ead7a4a4f195cd70113..da4b4e04b09504fe37a69b80e2f16ed4e8143c0e 100644
--- a/src/Form/EventSeriesSettingsForm.php
+++ b/src/Form/EventSeriesSettingsForm.php
@@ -95,6 +95,7 @@ class EventSeriesSettingsForm extends ConfigFormBase {
       ->set('threshold_count', $form_state->getValue('threshold_count'))
       ->set('threshold_message', $form_state->getValue('threshold_message'))
       ->set('threshold_prevent_save', $form_state->getValue('threshold_prevent_save'))
+      ->set('creator_plugin', $form_state->getValue('creator_plugin'))
       ->save();
 
     parent::submitForm($form, $form_state);