diff --git a/addon/models/contributor.js b/addon/models/contributor.js
index <HASH>..<HASH> 100644
--- a/addon/models/contributor.js
+++ b/addon/models/contributor.js
@@ -5,5 +5,6 @@ import OsfModel from '../mixins/osf-model';
 export default DS.Model.extend(OsfModel, {
     bibliographic: DS.attr('boolean'),
     permission: DS.attr('string'),
-    users: DS.hasMany('user')
+    users: DS.hasMany('user'),
+    nodeId: DS.attr('string')
 });
Add nodeId field to contributor model so nodeId is accessible in adapter.