diff --git a/Koha/Patron.pm b/Koha/Patron.pm
index f5d4aaf8ac..4242658338 100644
--- a/Koha/Patron.pm
+++ b/Koha/Patron.pm
@@ -1609,6 +1609,7 @@ Return all the historical holds for this patron
 sub old_holds {
     my ($self) = @_;
     my $old_holds_rs = $self->_result->old_reserves->search( {}, { order_by => 'reservedate' } );
+    require Koha::Old::Holds;
     return Koha::Old::Holds->_new_from_dbic($old_holds_rs);
 }