diff --git a/template-parts/post-header.php b/template-parts/post-header.php
index b0cd4a0..b0ec4c5 100644
--- a/template-parts/post-header.php
+++ b/template-parts/post-header.php
@@ -44,7 +44,7 @@ $citeReference = get_field('cite_reference', get_the_ID());
 			<?php if ($post_type === 'revues') : ?>
 				<h1 class="post-header__title"> <?php echo $revueTitle; ?></h1>
 			<?php elseif ($post_type === 'articles') : ?>
-				<h2 class="post-header__title"> <?php echo get_the_title(); ?></h2>
+				<h1 class="post-header__title"> <?php echo get_the_title(); ?></h1>
 			<?php endif; ?>
 
 			<div class="post-details">