diff --git a/app/presenters/content_item/updatable.rb b/app/presenters/content_item/updatable.rb
index bd43cdec3..14182fd55 100644
--- a/app/presenters/content_item/updatable.rb
+++ b/app/presenters/content_item/updatable.rb
@@ -14,7 +14,7 @@ def history
     end
 
     def first_public_at
-      content_item["details"]["first_public_at"]
+      content_item["details"]["first_public_at"] || content_item["first_published_at"]
     end
 
     def public_updated_at
diff --git a/test/presenters/content_item/updatable_test.rb b/test/presenters/content_item/updatable_test.rb
index 080bab5f4..a2d3ce76e 100644
--- a/test/presenters/content_item/updatable_test.rb
+++ b/test/presenters/content_item/updatable_test.rb
@@ -35,8 +35,8 @@ class << @updatable
       def content_item
         {
           'public_updated_at' => '2002-02-02',
+          'first_published_at' => '2001-01-01',
           'details' => {
-            'first_public_at' => '2001-01-01',
             'change_history' => [
               {
                 'note' => 'note',