diff --git a/packages/strapi-plugin-i18n/config/functions/register.js b/packages/strapi-plugin-i18n/config/functions/register.js
index d923fec908..46216f6c32 100644
--- a/packages/strapi-plugin-i18n/config/functions/register.js
+++ b/packages/strapi-plugin-i18n/config/functions/register.js
@@ -1,6 +1,7 @@
 'use strict';
 
 const _ = require('lodash');
+const { PUBLISHED_AT_ATTRIBUTE } = require('strapi-utils').contentTypes.constants;
 
 const { getService } = require('../../utils');
 
@@ -18,7 +19,7 @@ module.exports = () => {
         configurable: false,
         visible: false,
         collection: modelName,
-        populate: ['id', 'locale', 'published_at'],
+        populate: ['id', 'locale', PUBLISHED_AT_ATTRIBUTE],
       });
 
       _.set(attributes, 'locale', {
diff --git a/packages/strapi-plugin-i18n/services/__tests__/content-types.test.js b/packages/strapi-plugin-i18n/services/__tests__/content-types.test.js
index 4441f88478..1428700910 100644
--- a/packages/strapi-plugin-i18n/services/__tests__/content-types.test.js
+++ b/packages/strapi-plugin-i18n/services/__tests__/content-types.test.js
@@ -76,6 +76,42 @@ describe('content-types service', () => {
         })
       ).toEqual(['stars', 'price']);
     });
+
+    test('Consider locale, localizations & published_at as localized', () => {
+      expect(
+        getNonLocalizedAttributes({
+          uid: 'test-model',
+          attributes: {
+            title: {
+              type: 'string',
+              pluginOptions: {
+                i18n: {
+                  localized: true,
+                },
+              },
+            },
+            stars: {
+              type: 'integer',
+            },
+            price: {
+              type: 'integer',
+            },
+            locale: {
+              type: 'string',
+              visible: false,
+            },
+            localizations: {
+              collection: 'test-model',
+              visible: false,
+            },
+            published_at: {
+              type: 'datetime',
+              visible: false,
+            },
+          },
+        })
+      ).toEqual(['stars', 'price']);
+    });
   });
 
   describe('getValidLocale', () => {
@@ -329,7 +365,7 @@ describe('content-types service', () => {
   });
 
   describe('copyNonLocalizedAttributes', () => {
-    test('Does not copy locale & localizations', () => {
+    test('Does not copy locale, localizations & published_at', () => {
       const model = {
         attributes: {
           title: {
@@ -349,9 +385,15 @@ describe('content-types service', () => {
           },
           locale: {
             type: 'string',
+            visible: false,
           },
           localizations: {
             collection: 'test-model',
+            visible: false,
+          },
+          published_at: {
+            type: 'datetime',
+            visible: false,
           },
         },
       };
@@ -364,6 +406,7 @@ describe('content-types service', () => {
         description: 'My super description',
         locale: 'en',
         localizations: [1, 2, 3],
+        published_at: '2021-03-18T09:47:37.557Z',
       };
 
       const result = copyNonLocalizedAttributes(model, input);
diff --git a/packages/strapi-plugin-i18n/services/content-types.js b/packages/strapi-plugin-i18n/services/content-types.js
index 771ddd4efe..d174aef646 100644
--- a/packages/strapi-plugin-i18n/services/content-types.js
+++ b/packages/strapi-plugin-i18n/services/content-types.js
@@ -2,7 +2,7 @@
 
 const { has, prop, isNil } = require('lodash/fp');
 const { cloneDeepWith, pick, pipe } = require('lodash/fp');
-const { isRelationalAttribute } = require('strapi-utils').contentTypes;
+const { isRelationalAttribute, getVisibleAttributes } = require('strapi-utils').contentTypes;
 const { getService } = require('../utils');
 
 const isLocalized = modelOrAttribute => {
@@ -72,9 +72,9 @@ const isLocalizedAttribute = (model, attributeName) => {
  * @returns {string[]}
  */
 const getNonLocalizedAttributes = model => {
-  return Object.keys(model.attributes)
-    .filter(attributeName => !['locale', 'localizations'].includes(attributeName))
-    .filter(attributeName => !isLocalizedAttribute(model, attributeName));
+  return getVisibleAttributes(model).filter(
+    attributeName => !isLocalizedAttribute(model, attributeName)
+  );
 };
 
 const removeIds = cloneDeepWith(value => {