diff --git a/functions.php b/functions.php
index 00b17ce..4c44e7d 100644
--- a/functions.php
+++ b/functions.php
@@ -17,6 +17,7 @@ require_once(__DIR__ . '/includes/equipe.php');
 require_once(__DIR__ . '/includes/navwalker.php');
 require_once(__DIR__ . '/includes/post-type-analyses-etudes.php');
 require_once(__DIR__ . '/includes/posts-save.php');
+require_once(__DIR__ . '/includes/auteurs.php');
 // require_once(__DIR__ . '/includes/widget.php');
 // require_once( __DIR__ . '/includes/taxonomy.php');
 // require_once( __DIR__ . '/includes/errorlog.php');
diff --git a/includes/auteurs.php b/includes/auteurs.php
new file mode 100644
index 0000000..64440e9
--- /dev/null
+++ b/includes/auteurs.php
@@ -0,0 +1,44 @@
+<?php
+
+
+add_action('acf/save_post', 'carhop_save_auteurs_post');
+
+function carhop_save_auteurs_post($post_id)
+{
+	$post_type = get_post_type($post_id);
+
+	if ($post_type !== 'auteurs') return;
+
+	$is_carhop_member = $_POST['acf']['field_6997373d4aacd'];
+	$carhop_member_id = $_POST['acf']['field_6997373d4aad1'] ?? null;
+
+	if ($carhop_member_id === 0) return;
+
+	$first_name = null;
+	$last_name = null;
+
+	if (!$is_carhop_member) {
+		$first_name = get_field('first_name', $post_id);
+		$last_name = get_field('last_name', $post_id);
+	}
+
+	if (isset($is_carhop_member) && isset($carhop_member_id)) {
+		switch_to_blog(1);
+		$first_name = get_field('first_name', $carhop_member_id);
+		$last_name = get_field('last_name', $carhop_member_id);
+		restore_current_blog();
+
+		update_field('first_name', $first_name, $post_id);
+		update_field('last_name', $last_name, $post_id);
+	}
+	$full_name = $first_name . ' ' . $last_name;
+
+	if (isset($first_name) && isset($last_name) && isset($full_name) && $full_name != '') {
+		$post_slug = sanitize_title($full_name);
+		wp_update_post(array(
+			'ID' => $post_id,
+			'post_title' => $full_name,
+			'post_name' => $post_slug
+		));
+	}
+}