diff --git a/core/server/api/canary/utils/serializers/output/utils/mapper.js b/core/server/api/canary/utils/serializers/output/utils/mapper.js
index e07eee0256..36332a175b 100644
--- a/core/server/api/canary/utils/serializers/output/utils/mapper.js
+++ b/core/server/api/canary/utils/serializers/output/utils/mapper.js
@@ -35,6 +35,8 @@ const mapPost = (model, frame) => {
 
     url.forPost(model.id, jsonModel, frame);
 
+    extraAttrs.forPost(frame, model, jsonModel);
+
     if (utils.isContentAPI(frame)) {
         // Content api v2 still expects page prop
         if (jsonModel.type === 'page') {
@@ -44,7 +46,6 @@ const mapPost = (model, frame) => {
         members.forPost(jsonModel, frame);
     }
 
-    extraAttrs.forPost(frame, model, jsonModel);
     clean.post(jsonModel, frame);
 
     if (frame.options && frame.options.withRelated) {