diff --git a/sugar/activity/Activity.py b/sugar/activity/Activity.py
index a9bf2c8f..6226380c 100644
--- a/sugar/activity/Activity.py
+++ b/sugar/activity/Activity.py
@@ -212,7 +212,7 @@ class Activity(object):
 		self._plug = gtk.Plug(self._window_id)
 		self._initial_service = service
 		if service:
-			self.set_shared(True)
+			self.set_shared()
 		self.on_connected_to_shell()
 
 	def _internal_on_disconnected_from_shell_cb(self):