diff --git a/Koha/Schema/Result/Biblio.pm b/Koha/Schema/Result/Biblio.pm
index 54f672742f..84aae6105a 100644
--- a/Koha/Schema/Result/Biblio.pm
+++ b/Koha/Schema/Result/Biblio.pm
@@ -197,6 +197,21 @@ __PACKAGE__->has_many(
   { cascade_copy => 0, cascade_delete => 0 },
 );
 
+=head2 items
+
+Type: has_many
+
+Related object: L<Koha::Schema::Result::Item>
+
+=cut
+
+__PACKAGE__->has_many(
+  "items",
+  "Koha::Schema::Result::Item",
+  { "foreign.biblionumber" => "self.biblionumber" },
+  { cascade_copy => 0, cascade_delete => 0 },
+);
+
 =head2 old_reserves
 
 Type: has_many
@@ -303,7 +318,7 @@ __PACKAGE__->has_many(
 );
 
 
-# Created by DBIx::Class::Schema::Loader v0.07039 @ 2015-07-08 15:06:22
-# DO NOT MODIFY THIS OR ANYTHING ABOVE! md5sum:vh7DAGajJCEzHE7YmAG3jg
+# Created by DBIx::Class::Schema::Loader v0.07042 @ 2016-05-03 18:29:15
+# DO NOT MODIFY THIS OR ANYTHING ABOVE! md5sum:NK+HRwn4BhRKwuIfuFqHpA
 
 1;
diff --git a/Koha/Schema/Result/Item.pm b/Koha/Schema/Result/Item.pm
index 9b38812fa8..ba49ded3a9 100644
--- a/Koha/Schema/Result/Item.pm
+++ b/Koha/Schema/Result/Item.pm
@@ -33,6 +33,7 @@ __PACKAGE__->table("items");
 
   data_type: 'integer'
   default_value: 0
+  is_foreign_key: 1
   is_nullable: 0
 
 =head2 biblioitemnumber
@@ -285,7 +286,12 @@ __PACKAGE__->add_columns(
   "itemnumber",
   { data_type => "integer", is_auto_increment => 1, is_nullable => 0 },
   "biblionumber",
-  { data_type => "integer", default_value => 0, is_nullable => 0 },
+  {
+    data_type      => "integer",
+    default_value  => 0,
+    is_foreign_key => 1,
+    is_nullable    => 0,
+  },
   "biblioitemnumber",
   {
     data_type      => "integer",
@@ -448,6 +454,21 @@ __PACKAGE__->belongs_to(
   { is_deferrable => 1, on_delete => "CASCADE", on_update => "CASCADE" },
 );
 
+=head2 biblionumber
+
+Type: belongs_to
+
+Related object: L<Koha::Schema::Result::Biblio>
+
+=cut
+
+__PACKAGE__->belongs_to(
+  "biblionumber",
+  "Koha::Schema::Result::Biblio",
+  { biblionumber => "biblionumber" },
+  { is_deferrable => 1, on_delete => "CASCADE", on_update => "CASCADE" },
+);
+
 =head2 branchtransfers
 
 Type: has_many
@@ -639,8 +660,8 @@ __PACKAGE__->might_have(
 );
 
 
-# Created by DBIx::Class::Schema::Loader v0.07042 @ 2016-03-31 17:10:17
-# DO NOT MODIFY THIS OR ANYTHING ABOVE! md5sum:f3uSqG4SRK96xnD8HnhcFA
+# Created by DBIx::Class::Schema::Loader v0.07042 @ 2016-05-03 18:29:16
+# DO NOT MODIFY THIS OR ANYTHING ABOVE! md5sum:2XK/xYWHqauPzYKJcKc0ig
 
 __PACKAGE__->belongs_to( biblioitem => "Koha::Schema::Result::Biblioitem", "biblioitemnumber" );