Index: /trunk/src/org/openstreetmap/josm/data/Preferences.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/data/Preferences.java	(revision 470)
+++ /trunk/src/org/openstreetmap/josm/data/Preferences.java	(revision 471)
@@ -212,5 +212,5 @@
 			properties.put("laf", "javax.swing.plaf.metal.MetalLookAndFeel");
 		} else {
-			properties.put("laf", "javax.swing.plaf.windows.WindowsLookAndFeel");
+			properties.put("laf", "com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
 		}
 		save();