diff -u b/src/Form/ReplicationActionForm.php b/src/Form/ReplicationActionForm.php
--- b/src/Form/ReplicationActionForm.php
+++ b/src/Form/ReplicationActionForm.php
@@ -46,7 +46,7 @@
         $entity->get('source')->entity,
         $entity->get('target')->entity
       );
-    if (($response instanceof ReplicationLogInterface) && ($response->get('ok') === TRUE)) {
+    if (($response instanceof ReplicationLogInterface) && ($response->get('ok')->value === TRUE)) {
       $entity->set('replicated', REQUEST_TIME)->save();
       drupal_set_message('Successful deployment.');
     }