diff --git a/src/mobx/stores/Sync.ts b/src/mobx/stores/Sync.ts
index 4a2bc10a..6e2f86c5 100644
--- a/src/mobx/stores/Sync.ts
+++ b/src/mobx/stores/Sync.ts
@@ -56,7 +56,7 @@ export default class Sync implements Store, Persistent<Data> {
 
     toJSON() {
         return {
-            enabled: [...this.disabled],
+            disabled: [...this.disabled],
             revision: mapToRecord(this.revision),
         };
     }