diff --git a/action/creer_slug.php b/action/creer_slug.php
index e94b75e..55ad95c 100644
--- a/action/creer_slug.php
+++ b/action/creer_slug.php
@@ -3,7 +3,7 @@ if (!defined('_ECRIRE_INC_VERSION')) return;
 
 /**
  * créer un slug Gamumail
- * 
+ *
  *  @plugin     GamuMail
  *
  * @copyright  2020
@@ -16,12 +16,11 @@ include_spip('inc/editer');
 include_spip('action/editer_objet');
 include_spip('inc/autoriser');
 
-function action_creer_slug_dist(){
+function action_creer_slug_dist($slug = null, $opt = []){
 	include_spip('inc/autoriser');
 	if (!autoriser('creer','gamumail')) {
 		return false;
 	}
-
 	$set = [
 		'slug'   => '',
 		'titre'  => 'Le titre du modèle',
@@ -29,11 +28,23 @@ function action_creer_slug_dist(){
 		'texte'  => 'Le texte du mail',
 		'statut' => 'publie',
 	];
+
 	if ($id_slug = objet_inserer('gamumail', null, $set)) {
-		sql_updateq('spip_gamumails', ['slug' => 'slug_'.$id_slug], 'id_gamumail = '.$id_slug);
+		$set = ['slug' => 'slug_'.$id_slug];
+		if (
+			$slug !== null
+			and !sql_countsel('slug', 'spip_gamumails', 'slug!='.sql_quote($slug))
+		) {
+			$set['slug'] = $slug;
+		}
+		if (is_array($opt) and count($opt)) {
+			$set = array_merge($set, $opt);
+			$set['editable'] = '';
+		}
+		sql_updateq('spip_gamumails', $set, 'id_gamumail = '.$id_slug);
 	}
 
 	// Cache
 	include_spip('inc/invalideur');
-	suivre_invalideur("id='id_gamumail/$id_gamumail'");
+	suivre_invalideur("id='id_gamumail/1'");
 }