diff --git a/src/module/actor/actor.ts b/src/module/actor/actor.ts
index e28effd..0e4cbb0 100644
--- a/src/module/actor/actor.ts
+++ b/src/module/actor/actor.ts
@@ -25,8 +25,10 @@ export class DS4Actor extends Actor<DS4ActorData, DS4Item> {
     prepareBaseData(): void {
         const data = this.data;
 
-        data.data.rolling.minimumFumbleResult = 20;
-        data.data.rolling.maximumCoupResult = 1;
+        data.data.rolling = {
+            minimumFumbleResult: 20,
+            maximumCoupResult: 1,
+        };
 
         const attributes = data.data.attributes;
         Object.values(attributes).forEach(