diff --git a/modules/pegasus-actor.js b/modules/pegasus-actor.js
index f7216c9..fd3daf2 100644
--- a/modules/pegasus-actor.js
+++ b/modules/pegasus-actor.js
@@ -743,17 +743,20 @@ export class PegasusActor extends Actor {
   /* -------------------------------------------- */
   getSubActors() {
     let subActors = [];
-    for (let id of this.system.subactors) {
-      subActors.push(duplicate(game.actors.get(id)))
+    if (this.system.subactors) {
+      for (let id of this.system.subactors) {
+        subActors.push(duplicate(game.actors.get(id)))
+      }
     }
     return subActors;
   }
   /* -------------------------------------------- */
   async addSubActor(subActorId) {
-    let subActors = duplicate(this.system.subactors);
+    let subActors = duplicate(this.system.subactors || []);
     subActors.push(subActorId);
     await this.update({ 'system.subactors': subActors });
   }
+  
   /* -------------------------------------------- */
   async delSubActor(subActorId) {
     let newArray = [];
diff --git a/system.json b/system.json
index aed838c..7bdc606 100644
--- a/system.json
+++ b/system.json
@@ -253,7 +253,7 @@
   ],
   "title": "Pegasus RPG",
   "url": "https://www.uberwald.me/data/files/fvtt-pegasus-rpg",
-  "version": "10.0.14",
-  "download": "https://www.uberwald.me/gitea/uberwald/fvtt-pegasus-rpg/archive/fvtt-pegasus-rpg-v10.0.14.zip",
+  "version": "10.0.15",
+  "download": "https://www.uberwald.me/gitea/uberwald/fvtt-pegasus-rpg/archive/fvtt-pegasus-rpg-v10.0.15.zip",
   "background": "systems/fvtt-pegasus-rpg/images/ui/pegasus_welcome_page.webp"
 }
\ No newline at end of file