diff --git a/functions.php b/functions.php
index d902477..049379d 100644
--- a/functions.php
+++ b/functions.php
@@ -11,3 +11,4 @@ require_once(__DIR__ . '/includes/taxonomy.php');
 require_once(__DIR__ . '/includes/api.php');
 require_once(__DIR__ . '/includes/blocks.php');
 require_once(__DIR__ . '/includes/utilities.php');
+require_once(__DIR__ . '/includes/acf-fields.php');
diff --git a/includes/acf-fields.php b/includes/acf-fields.php
new file mode 100644
index 0000000..2257b21
--- /dev/null
+++ b/includes/acf-fields.php
@@ -0,0 +1,17 @@
+<?php
+
+function acf_read_only_fields_in_group($field)
+{
+	// READ ONLY FOR OLD WEBSITES DATA IN ARTISANS & CHANTIERS
+	$target_groups = ['group_672358433051b', 'group_673610d8e548a'];
+	$parent_id = $field['parent']; // ID du groupe parent
+	$parent_group = get_post($parent_id);
+
+	if (in_array($parent_group->post_name, $target_groups)) {
+		$field['readonly'] = 1;
+		$field['disabled'] = true;
+	}
+
+	return $field;
+}
+add_filter('acf/load_field', 'acf_read_only_fields_in_group');