win = wxSplitterWindow(nb, -1, size=(640, 480))
     shellWin = shell.Shell(win, -1, introText=intro)
     fillingWin = filling.Filling(win, -1, size=(640, 480),
-                                 ingredients=shellWin.interp.locals)
+                                 rootObject=shellWin.interp.locals
+                                 )
     win.SplitHorizontally(shellWin, fillingWin)
     return win