--- a/Plugins/VcsPlugins/vcsPySvn/SvnDiffDialog.py	Tue Aug 31 12:36:10 2010 +0200
+++ b/Plugins/VcsPlugins/vcsPySvn/SvnDiffDialog.py	Tue Aug 31 13:23:27 2010 +0200
@@ -330,7 +330,7 @@
             if ex:
                 fname += ex
         if QFileInfo(fname).exists():
-            res = QMessageBox.warning(self,
+            res = E5MessageBox.warning(self,
                 self.trUtf8("Save Diff"),
                 self.trUtf8("<p>The patch file <b>{0}</b> already exists.</p>")
                     .format(fname),