diff --git a/addon/utils/related-proxy.js b/addon/utils/related-proxy.js
index 7a9d7fd..7b231ac 100644
--- a/addon/utils/related-proxy.js
+++ b/addon/utils/related-proxy.js
@@ -62,8 +62,10 @@ const RelatedProxyUtil = Ember.Object.extend({
       proxyFactory = Ember.ArrayProxy;
       newContent = Ember.A([]);
     } else if (kind === 'toOne') {
-      proxyFactory = Ember.ObjectProxy;
-      newContent = Ember.Object.create();
+      proxyFactory = Ember.ObjectProxy.extend(Ember.PromiseProxyMixin, {
+        promise: new Ember.RSVP.Promise(resolve => { resolve(null); })
+      });
+      newContent = null;
     }
     if (resource.get('isNew')) {
       return proxyFactory.create({ content: newContent });
@@ -92,7 +94,7 @@ const RelatedProxyUtil = Ember.Object.extend({
       'promise': promise, 'type': relation, 'kind': kind
     });
     return proxyProto.create({
-      content: (kind === 'toOne') ? Ember.Object.create() : Ember.A([])
+      content: (kind === 'toOne') ? null : Ember.A([])
     });
   },