diff --git a/nexxT/services/gui/MainWindow.py b/nexxT/services/gui/MainWindow.py
index 8d545bb..f31f2a8 100644
--- a/nexxT/services/gui/MainWindow.py
+++ b/nexxT/services/gui/MainWindow.py
@@ -472,7 +472,7 @@ def _aboutPython(self):
                                          encoding="utf-8").replace("\n", "<br>").replace(" ", "&nbsp;")
         QMessageBox.about(self, "About python", """\
 This program uses <b>python</b> %(version)s and the following installed python packages.<br><br>
-<p style="font-family: monospace;">
+<pre>
 %(table)s
-</p>
+</pre>
 """ % dict(version=sys.version, table=piplic))