diff --git a/Koha/Schema/Result/Biblioitem.pm b/Koha/Schema/Result/Biblioitem.pm
index 874f1d2a68..d34b2ef008 100644
--- a/Koha/Schema/Result/Biblioitem.pm
+++ b/Koha/Schema/Result/Biblioitem.pm
@@ -344,6 +344,7 @@ __PACKAGE__->has_many(
 # Created by DBIx::Class::Schema::Loader v0.07039 @ 2015-02-24 14:19:57
 # DO NOT MODIFY THIS OR ANYTHING ABOVE! md5sum:A/4lKYlKWWd8TcMVzMRtCg
 
+__PACKAGE__->belongs_to( biblio => "Koha::Schema::Result::Biblio", "biblionumber" );
+__PACKAGE__->belongs_to( items  => "Koha::Schema::Result::Item",   "biblioitemnumber" );
 
-# You can replace this text with custom content, and it will be preserved on regeneration
 1;
diff --git a/Koha/Schema/Result/Item.pm b/Koha/Schema/Result/Item.pm
index 08031b2c31..806a2bff5b 100644
--- a/Koha/Schema/Result/Item.pm
+++ b/Koha/Schema/Result/Item.pm
@@ -619,6 +619,8 @@ __PACKAGE__->might_have(
 # Created by DBIx::Class::Schema::Loader v0.07039 @ 2015-11-04 12:00:58
 # DO NOT MODIFY THIS OR ANYTHING ABOVE! md5sum:jkgJfulDrGaUpQ6jC40vpQ
 
+__PACKAGE__->belongs_to( biblioitem => "Koha::Schema::Result::Biblioitem", "biblioitemnumber" );
+
 sub effective_itemtype {
     my ( $self ) = @_;