Index: src/org/openstreetmap/josm/actions/PreferencesAction.java
===================================================================
--- src/org/openstreetmap/josm/actions/PreferencesAction.java	(revision 175)
+++ src/org/openstreetmap/josm/actions/PreferencesAction.java	(revision 176)
@@ -39,9 +39,9 @@
 		JOptionPane pane = new JOptionPane(prefPanel, JOptionPane.PLAIN_MESSAGE, JOptionPane.OK_CANCEL_OPTION);
 		JDialog dlg = pane.createDialog(Main.parent, tr("Preferences"));
-		
+
 		if (dlg.getWidth() > 600)
 			dlg.setSize(600, dlg.getHeight());
-		if (dlg.getHeight() > 450)
-			dlg.setSize(dlg.getWidth(), 450);
+		if (dlg.getHeight() > 600)
+			dlg.setSize(dlg.getWidth(),600);
 
 		dlg.setVisible(true);