diff --git a/plugins/gtkgui/config.py b/plugins/gtkgui/config.py
index 7767dae7d055e5c115f03483eb5bcdb47f140042..5a92fa606037aa24243ecff676326a8e94b4da79 100644
--- a/plugins/gtkgui/config.py
+++ b/plugins/gtkgui/config.py
@@ -849,6 +849,10 @@ class preferences_window:
 		self.auto_pp_away_checkbutton.set_active(st)
 		self.auto_pp_away_checkbutton.set_sensitive(self.plugin.config['autopopup'])
 
+		#Ignore messages from unknown contacts
+		self.xml.get_widget('ignore_events_from_unknown_contacts_checkbutton').\
+			set_active(self.plugin.config['ignore_unknown_contacts'])
+
 		#sound player
 		self.xml.get_widget('soundplayer_entry').set_text(\
 			self.plugin.config['soundplayer'])