diff --git a/wagtail/wagtailcore/models.py b/wagtail/wagtailcore/models.py
index 43f09d5b3b..e1beb657bf 100644
--- a/wagtail/wagtailcore/models.py
+++ b/wagtail/wagtailcore/models.py
@@ -1034,6 +1034,7 @@ class PageRevision(models.Model):
         obj.has_unpublished_changes = self.page.has_unpublished_changes
         obj.owner = self.page.owner
         obj.locked = self.page.locked
+        obj.latest_revision_created_at = self.page.latest_revision_created_at
 
         return obj