diff --git a/Controller/Adminhtml/Post/Save.php b/Controller/Adminhtml/Post/Save.php
index a4ec372..4b7ef9f 100644
--- a/Controller/Adminhtml/Post/Save.php
+++ b/Controller/Adminhtml/Post/Save.php
@@ -58,6 +58,9 @@ public function execute()
             if (!$data['is_short_content']) {
                 $model->setShortContent('');
             }
+            if (!$data[PostInterface::CREATED_AT]) {
+                $model->setCreatedAt(date('Y-m-d H:i:s'));
+            }
 
             try {
                 if ($this->getRequest()->getParam('isAjax')) {