Index: applications/editors/josm/plugins/reltoolbox/src/relcontext/actions/SplittingMultipolygons.java
===================================================================
--- applications/editors/josm/plugins/reltoolbox/src/relcontext/actions/SplittingMultipolygons.java	(revision 29535)
+++ applications/editors/josm/plugins/reltoolbox/src/relcontext/actions/SplittingMultipolygons.java	(revision 29854)
@@ -2,9 +2,13 @@
 
 import java.awt.geom.Area;
+
 import static org.openstreetmap.josm.tools.I18n.tr;
+
 import java.util.*;
+
 import org.openstreetmap.josm.Main;
 import org.openstreetmap.josm.command.*;
 import org.openstreetmap.josm.data.coor.EastNorth;
+import org.openstreetmap.josm.data.coor.LatLon;
 import org.openstreetmap.josm.data.osm.*;
 import org.openstreetmap.josm.gui.DefaultNameFormatter;
@@ -27,6 +31,7 @@
 		return false;
 	    for( Node n : way.getNodes() ) {
-		if( n.isIncomplete() || (a != null && !a.contains(n.getCoor())) )
-		    return false;
+	        LatLon ll = n.getCoor();
+    		if( n.isIncomplete() || (a != null && !a.contains(ll.getX(), ll.getY())) )
+    		    return false;
 	    }
 	    if( way.isClosed() )