Index: applications/editors/josm/plugins/terracer/src/org/openstreetmap/josm/plugins/terracer/TerracerAction.java
===================================================================
--- applications/editors/josm/plugins/terracer/src/org/openstreetmap/josm/plugins/terracer/TerracerAction.java	(revision 34584)
+++ applications/editors/josm/plugins/terracer/src/org/openstreetmap/josm/plugins/terracer/TerracerAction.java	(revision 34972)
@@ -47,4 +47,5 @@
 import org.openstreetmap.josm.tools.Shortcut;
 import org.openstreetmap.josm.tools.UserCancelException;
+import org.openstreetmap.josm.tools.Utils;
 
 /**
@@ -119,5 +120,5 @@
                 outline = (Way) prim;
             } else if (sel.size() > 1) {
-                List<Way> ways = OsmPrimitive.getFilteredList(sel, Way.class);
+                List<Way> ways = new ArrayList<>(Utils.filteredCollection(sel, Way.class));
                 Iterator<Way> wit = ways.iterator();
                 while (wit.hasNext()) {
@@ -143,5 +144,5 @@
                     throw new InvalidUserInputException("no outline way found");
 
-                List<Node> nodes = OsmPrimitive.getFilteredList(sel, Node.class);
+                List<Node> nodes = new ArrayList<>(Utils.filteredCollection(sel, Node.class));
                 Iterator<Node> nit = nodes.iterator();
                 // Actually this should test if the selected address nodes lie