Index: /trunk/src/org/openstreetmap/josm/gui/dialogs/relation/sort/WayConnectionTypeCalculator.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/gui/dialogs/relation/sort/WayConnectionTypeCalculator.java	(revision 15699)
+++ /trunk/src/org/openstreetmap/josm/gui/dialogs/relation/sort/WayConnectionTypeCalculator.java	(revision 15700)
@@ -142,5 +142,5 @@
 
     private static boolean isOnewayIgnored(Relation r) {
-        return r != null && "boundary".equals(r.get("type"));
+        return r != null && r.hasTag("type", "boundary", "multipolygon");
     }