diff --git a/plugins/whiteboard/whiteboard_widget.py b/plugins/whiteboard/whiteboard_widget.py
index f3837675f..2435ae1f6 100644
--- a/plugins/whiteboard/whiteboard_widget.py
+++ b/plugins/whiteboard/whiteboard_widget.py
@@ -39,7 +39,7 @@ class Whiteboard(object):
         self.plugin = plugin
         file_path = plugin.local_file_path('whiteboard_widget.ui')
         xml = gtk.Builder()
-        self.xml.set_translation_domain('gajim_plugins')
+        xml.set_translation_domain('gajim_plugins')
         xml.add_from_file(file_path)
         self.hbox = xml.get_object('whiteboard_hbox')
         self.canevas = goocanvas.Canvas()