diff --git a/src/ptf/migrations/0087_article_date_data_migration.py b/src/ptf/migrations/0087_article_date_data_migration.py
index 53a7f001809806449070b017be07e9525d05aa25..a87db60b11cdd4e6945c5a904360c029eeb9302a 100644
--- a/src/ptf/migrations/0087_article_date_data_migration.py
+++ b/src/ptf/migrations/0087_article_date_data_migration.py
@@ -1,14 +1,13 @@
 from __future__ import unicode_literals
 
 from django.db import migrations
-from django.core.paginator import Paginator
-from django.core.paginator import Paginator
-from django.core.paginator import Paginator
+
 
 
 def dates_transfer_to_resource(apps, schema_editor):
     Article = apps.get_model("ptf", "Article")
     Collection  = apps.get_model("ptf", "Collection")
+    Collection  = apps.get_model("ptf", "Collection")
     print(f"\n nb_article_with_published_date = {Article.objects.exclude(date_published=None).count()}")
 
     collections = Collection.objects.all()
@@ -21,6 +20,14 @@ def dates_transfer_to_resource(apps, schema_editor):
             article.new_date_pre_published = article.date_pre_published
             article.new_date_published = article.date_published
             article.save()
+    articles = Article.objects.filter(my_container=None)
+    for article in articles:
+        article.new_date_received = article.date_received
+        article.new_date_accepted = article.date_accepted
+        article.new_date_revised = article.date_revised
+        article.new_date_pre_published = article.date_pre_published
+        article.new_date_published = article.date_published
+        article.save()
     print(f"\n nb_article_with_new_published_date = {Article.objects.exclude(new_date_published=None).count()}")
 
 
@@ -29,6 +36,7 @@ def dates_transfer_to_article(apps, schema_editor):
     """a revert function is mandatory, even empty"""
     Article = apps.get_model("ptf", "Article")
     Collection  = apps.get_model("ptf", "Collection")
+    Collection  = apps.get_model("ptf", "Collection")
     articles = Article.objects.all()
     collections = Collection.objects.all()
     for collection in collections:
@@ -40,6 +48,14 @@ def dates_transfer_to_article(apps, schema_editor):
             article.date_pre_published = article.new_date_pre_published
             article.date_published = article.new_date_published
             article.save()
+    articles = Article.objects.filter(my_container=None)
+    for article in articles:
+        article.new_date_received = article.date_received
+        article.new_date_accepted = article.date_accepted
+        article.new_date_revised = article.date_revised
+        article.new_date_pre_published = article.date_pre_published
+        article.new_date_published = article.date_published
+        article.save()
     
 class Migration(migrations.Migration):