diff --git a/module/rdd-timestamp.js b/module/rdd-timestamp.js
index 37ec8504..d9ca9b80 100644
--- a/module/rdd-timestamp.js
+++ b/module/rdd-timestamp.js
@@ -99,7 +99,7 @@ export class RdDTimestamp {
     return `<img class="img-signe-heure" src="${signe.webp}" alt="${signe.label}"/>`
   }
 
-  static handleTimestampEditor(html, path, consumeTimestamp = async (path, timestamp) => {}) {
+  static handleTimestampEditor(html, path, consumeTimestamp = async (path, timestamp) => { }) {
     const fields = {
       annee: html.find(`input[name="${path}.annee"]`),
       mois: html.find(`select[name="${path}.mois"]`),
@@ -157,14 +157,13 @@ export class RdDTimestamp {
 
   static getWorldTime() {
     let worldTime = game.settings.get(SYSTEM_RDD, WORLD_TIMESTAMP_SETTING);
-    if (worldTime.indexJour && worldTime.heureRdD) {
+    if (worldTime.indexJour != undefined && worldTime.heureRdD != undefined) {
       // Migration
       worldTime = {
         indexDate: worldTime.indexJour,
         indexMinute: worldTime.heureRdD * 120 + worldTime.minutesRelative
       };
       RdDTimestamp.setWorldTime(new RdDTimestamp(worldTime))
-
     }
     return new RdDTimestamp(worldTime);
   }
diff --git a/system.json b/system.json
index abc5afb5..e404b2ef 100644
--- a/system.json
+++ b/system.json
@@ -1,8 +1,8 @@
 {
   "id": "foundryvtt-reve-de-dragon",
   "title": "Rêve de Dragon",
-  "version": "10.5.0",
-  "download": "https://www.uberwald.me/gitea/public/foundryvtt-reve-de-dragon/archive/foundryvtt-reve-de-dragon-10.5.0.zip",
+  "version": "10.5.1",
+  "download": "https://www.uberwald.me/gitea/public/foundryvtt-reve-de-dragon/archive/foundryvtt-reve-de-dragon-10.5.1.zip",
   "manifest": "https://www.uberwald.me/gitea/public/foundryvtt-reve-de-dragon/raw/v10/system.json",
   "compatibility": {
     "minimum": "10",