Index: trunk/src/org/openstreetmap/josm/data/CustomConfigurator.java
===================================================================
--- trunk/src/org/openstreetmap/josm/data/CustomConfigurator.java	(revision 9400)
+++ trunk/src/org/openstreetmap/josm/data/CustomConfigurator.java	(revision 9402)
@@ -586,5 +586,5 @@
             String path = evalVars(item.getAttribute("path"));
             String base = evalVars(item.getAttribute("base"));
-            deleteFile(base, path);
+            deleteFile(path, base);
         }