diff --git a/lib/Lacuna/DB/Result/Building/Trade.pm b/lib/Lacuna/DB/Result/Building/Trade.pm
index 89f11df1..c922219b 100644
--- a/lib/Lacuna/DB/Result/Building/Trade.pm
+++ b/lib/Lacuna/DB/Result/Building/Trade.pm
@@ -184,7 +184,7 @@ sub recalc_waste_production {
 before delete => sub {
     my ($self) = @_;
     $self->waste_ships->update({task=>'Docked'});
-    $self->waste_chain->delete_all;
+    $self->waste_chains->delete_all;
     $self->body->needs_recalc(1);
     $self->body->update;
 };
diff --git a/lib/Lacuna/RPC/Building/Trade.pm b/lib/Lacuna/RPC/Building/Trade.pm
index 444157b4..69904688 100644
--- a/lib/Lacuna/RPC/Building/Trade.pm
+++ b/lib/Lacuna/RPC/Building/Trade.pm
@@ -105,7 +105,7 @@ sub get_waste_ships {
     };
 }
 
-sub view_waste_chain {
+sub view_waste_chains {
     my ($self, $session_id, $building_id) = @_;
     my $empire      = $self->get_empire_by_session($session_id);
     my $building    = $self->get_building($empire, $building_id);
@@ -300,7 +300,7 @@ sub add_to_market {
 
 
 
-__PACKAGE__->register_rpc_method_names(qw(get_waste_ships view_waste_chain add_waste_ship_to_fleet remove_waste_ship_from_fleet update_waste_chain report_abuse view_my_market view_market accept_from_market withdraw_from_market add_to_market push_items get_trade_ships get_stored_resources get_ships get_ship_summary get_prisoners get_plans get_plan_summary get_glyphs get_glyph_summary));
+__PACKAGE__->register_rpc_method_names(qw(get_waste_ships view_waste_chains add_waste_ship_to_fleet remove_waste_ship_from_fleet update_waste_chain report_abuse view_my_market view_market accept_from_market withdraw_from_market add_to_market push_items get_trade_ships get_stored_resources get_ships get_ship_summary get_prisoners get_plans get_plan_summary get_glyphs get_glyph_summary));
 
 
 no Moose;