diff --git a/plugins/gtkgui/config.py b/plugins/gtkgui/config.py
index 0c1afe485..31b821b55 100644
--- a/plugins/gtkgui/config.py
+++ b/plugins/gtkgui/config.py
@@ -70,6 +70,7 @@ class Preferences_window:
 		else:
 			self.plugin.config['mergeaccounts'] = 0
 		self.plugin.roster.regroup = self.plugin.config['mergeaccounts']
+		self.plugin.roster.draw_roster()
 	
 	def on_iconstyle_combobox_changed(self, widget, path):
 		model = widget.get_model()