1 files changed, 2 insertions, 1 deletions
diff --git a/src/new_fields/ObjectField.ts b/src/new_fields/ObjectField.ts
index 715c6a924..f276bfa67 100644
--- a/src/new_fields/ObjectField.ts
+++ b/src/new_fields/ObjectField.ts
@@ -1,4 +1,5 @@
 import { Doc } from "./Doc";
+import { RefField } from "./RefField";
 
 export const OnUpdate = Symbol("OnUpdate");
 export const Parent = Symbol("Parent");
@@ -6,7 +7,7 @@ export const Copy = Symbol("Copy");
 
 export abstract class ObjectField {
     protected [OnUpdate](diff?: any) { };
-    private [Parent]?: Doc;
+    private [Parent]?: RefField | ObjectField;
     abstract [Copy](): ObjectField;
 }