diff --git a/template-archive-jobs.php b/template-archive-jobs.php
index a415bea..18cb555 100644
--- a/template-archive-jobs.php
+++ b/template-archive-jobs.php
@@ -14,7 +14,7 @@ $thematiqueColorSlug = $mainThematique->slug;
 				<?php
 				$currentPage = get_post();
 				$parentPage = $currentPage->post_parent !== 0 ? get_post($currentPage->post_parent) : null;
-				$grandParentPage = $parentPage->post_parent ? get_post($parentPage->post_parent) : null;
+				$grandParentPage = $parentPage && $parentPage->post_parent ? get_post($parentPage->post_parent) : null;
 
 				?>
 				<ol>