--- a/UI/Browser.py	Sat Feb 05 14:21:37 2011 +0100
+++ b/UI/Browser.py	Sat Feb 05 16:32:34 2011 +0100
@@ -416,7 +416,8 @@
             None,
             QApplication.translate('Browser', "New toplevel directory"),
             "",
-            QFileDialog.Options(QFileDialog.ShowDirsOnly))
+            QFileDialog.Options(QFileDialog.ShowDirsOnly |
+                                QFileDialog.DontUseNativeDialog))
         if dname:
             dname = os.path.abspath(Utilities.toNativeSeparators(dname))
             self.__model.addTopLevelDir(dname)