diff --git a/module/rdd-main.js b/module/rdd-main.js
index 40cb47b7..63680276 100644
--- a/module/rdd-main.js
+++ b/module/rdd-main.js
@@ -267,7 +267,7 @@ async function migrationPngWebp_1_5_34() {
       return img.replace(regexOldPngJpg, replaceWithWebp);
     }
     function prepareDocumentsImgUpdate(documents) {
-      return documents.filter(it => it.img.match(regexOldPngJpg))
+      return documents.filter(it => it.img && it.img.match(regexOldPngJpg))
         .map(it => {
           return { _id: it.id, img: convertImgToWebp(it.img) }
         });
@@ -278,7 +278,7 @@ async function migrationPngWebp_1_5_34() {
     await Item.updateDocuments(itemsUpdates);
     await Actor.updateDocuments(actorsUpdates);
     game.actors.forEach(actor => {
-      if (actor.data.token.img.match(regexOldPngJpg)){
+      if (actor.data.token?.img && actor.data.token.img.match(regexOldPngJpg)){
         actor.update({ "token.img": convertImgToWebp(actor.data.token.img) });
       }
       const actorItemsToUpdate = prepareDocumentsImgUpdate(actor.items);
diff --git a/system.json b/system.json
index c2931dad..25ace6c4 100644
--- a/system.json
+++ b/system.json
@@ -2,7 +2,7 @@
   "name": "foundryvtt-reve-de-dragon",
   "title": "Rêve de Dragon",
   "description": "Rêve de Dragon RPG for FoundryVTT",
-  "version": "1.5.34",
+  "version": "1.5.35",
   "manifestPlusVersion": "1.0.0",
   "minimumCoreVersion": "0.8.0",
   "compatibleCoreVersion": "0.8.9",