Index: /trunk/src/org/openstreetmap/josm/data/osm/visitor/paint/MapPaintVisitor.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/data/osm/visitor/paint/MapPaintVisitor.java	(revision 2953)
+++ /trunk/src/org/openstreetmap/josm/data/osm/visitor/paint/MapPaintVisitor.java	(revision 2954)
@@ -333,5 +333,5 @@
             Node firstNode = viaWay.firstNode();
             Node lastNode = viaWay.lastNode();
-            boolean onewayvia = false;
+            Boolean onewayvia = false;
 
             String onewayviastr = viaWay.get("oneway");
@@ -345,4 +345,7 @@
                 } else {
                     onewayvia = OsmUtils.getOsmBoolean(onewayviastr);
+                    if (onewayvia == null) {
+                        onewayvia = false;
+                    }
                 }
             }