diff --git a/sat_frontends/tools/xmlui.py b/sat_frontends/tools/xmlui.py
index ed812934..ff41eda9 100644
--- a/sat_frontends/tools/xmlui.py
+++ b/sat_frontends/tools/xmlui.py
@@ -765,7 +765,7 @@ class XMLUIPanel(XMLUIBase):
 class XMLUIDialog(XMLUIBase):
     dialog_factory = None
 
-    def __init__(self, host, parsed_dom, title=None, flags=None, callback=None, ignore=None, profile=C.PROF_KEY_NONE):
+    def __init__(self, host, parsed_dom, title=None, flags=None, callback=None, ignore=None, whitelist=None, profile=C.PROF_KEY_NONE):
         super(XMLUIDialog, self).__init__(host, parsed_dom, title=title, flags=flags, callback=callback, profile=profile)
         top=parsed_dom.documentElement
         dlg_elt =  self._getChildNode(top, "dialog")