Index: trunk/src/org/openstreetmap/josm/gui/dialogs/relation/GenericRelationEditor.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/dialogs/relation/GenericRelationEditor.java	(revision 1818)
+++ trunk/src/org/openstreetmap/josm/gui/dialogs/relation/GenericRelationEditor.java	(revision 1819)
@@ -1001,4 +1001,6 @@
             tagEditorModel.applyToPrimitive(copy);
             memberTableModel.applyToRelation(copy);
+            getLayer().data.addPrimitive(copy);
+            getLayer().fireDataChange();
             RelationEditor editor = RelationEditor.getEditor(getLayer(), copy, memberTableModel.getSelectedMembers());
             editor.setVisible(true);