Index: applications/editors/josm/plugins/addrinterpolation/src/org/openstreetmap/josm/plugins/AddrInterpolation/AddrInterpolationDialog.java
===================================================================
--- applications/editors/josm/plugins/addrinterpolation/src/org/openstreetmap/josm/plugins/AddrInterpolation/AddrInterpolationDialog.java	(revision 18399)
+++ applications/editors/josm/plugins/addrinterpolation/src/org/openstreetmap/josm/plugins/AddrInterpolation/AddrInterpolationDialog.java	(revision 18413)
@@ -57,5 +57,5 @@
 
 /**
- * 
+ *
  */
 
@@ -516,5 +516,5 @@
 		DataSet currentDataSet = Main.main.getCurrentDataSet();
 		if (currentDataSet != null) {
-			for (Relation relation : currentDataSet.relations) {
+			for (Relation relation : currentDataSet.getRelations()) {
 
 				String relationType = relation.get("type");