diff --git a/core/core.php b/core/core.php
index a86ea65a..770a1aac 100644
--- a/core/core.php
+++ b/core/core.php
@@ -2922,7 +2922,7 @@ class core extends common
 				$this->addOutput([
 					'title' => $title,
 					// Meta description = 160 premiers caractères de l'article
-					'metaDescription' => $this->getData(['page', $this->getUrl(0), 'moduleId']) === 'blog' && !empty($this->getUrl(1))
+					'metaDescription' => $this->getData(['page', $this->getUrl(0), 'moduleId']) === 'blog' && !empty($this->getUrl(1)) && in_array($this->getUrl(1), $this->getData(['module']))
 						? strip_tags(substr($this->getData(['module', $this->getUrl(0), 'posts', $this->getUrl(1), 'content']), 0, 159))
 						: $this->getData(['page', $this->getUrl(0), 'metaDescription']),
 					'metaTitle' => $this->getData(['page', $this->getUrl(0), 'metaTitle']),