diff --git a/src/sugar/graphics/window.py b/src/sugar/graphics/window.py
index 8f368a8f..b269efcc 100644
--- a/src/sugar/graphics/window.py
+++ b/src/sugar/graphics/window.py
@@ -88,6 +88,8 @@ class Window(gtk.Window):
 
         gtk.Window.__init__(self, **args)
 
+        self.set_decorated(False)
+        self.maximize()
         self.connect('realize', self.__window_realize_cb)
         self.connect('key-press-event', self.__key_press_cb)