diff --git a/system/scripts/dice/dice-picker-dialog.js b/system/scripts/dice/dice-picker-dialog.js
index 5a73ae2..a85b238 100644
--- a/system/scripts/dice/dice-picker-dialog.js
+++ b/system/scripts/dice/dice-picker-dialog.js
@@ -155,7 +155,7 @@ export class DicePickerDialog extends FormApplication {
      * @param actor
      */
     set actor(actor) {
-        if (!actor || !(actor instanceof Actor) || !actor.owner) {
+        if (!actor || !(actor instanceof Actor) || !actor.isOwner) {
             return;
         }
         this._actor = actor;
diff --git a/system/scripts/dice/roll-n-keep-dialog.js b/system/scripts/dice/roll-n-keep-dialog.js
index cad314e..0c5effd 100644
--- a/system/scripts/dice/roll-n-keep-dialog.js
+++ b/system/scripts/dice/roll-n-keep-dialog.js
@@ -86,7 +86,7 @@ export class RollnKeepDialog extends FormApplication {
         super({}, options);
         this.message = game.messages.get(messageId);
         this.options.editable =
-            this._message?.isAuthor || this._message?._roll.l5r5e.actor?.owner || this._message?.owner || false;
+            this._message?.isAuthor || this._message?._roll.l5r5e.actor?.isOwner || this._message?.isOwner || false;
 
         this._initializeDiceFaces();
         this._initializeHistory();
diff --git a/system/scripts/dice/roll.js b/system/scripts/dice/roll.js
index 2bc166c..c7fed3c 100644
--- a/system/scripts/dice/roll.js
+++ b/system/scripts/dice/roll.js
@@ -48,7 +48,7 @@ export class RollL5r5e extends Roll {
     }
 
     set actor(actor) {
-        this.l5r5e.actor = actor instanceof Actor && actor.owner ? actor : null;
+        this.l5r5e.actor = actor instanceof Actor && actor.isOwner ? actor : null;
     }
 
     /**