Marlin crash when its launched with gksu

[Erasmo Marín]

When I execute

$gksu marlin

I get this:

[INFO 20:28:12.563227] Welcome to Marlin
[INFO 20:28:12.563319] Version: 0.1
[INFO 20:28:12.563358] Report any issues/bugs you might find to lp:marlin
[WARN 20:28:12.581630] Plugin not enabled: /usr/share/marlin/plugins/contractor.plug
[WARN 20:28:12.582185] Plugin not enabled: /usr/share/marlin/plugins/openterminal.plug
[WARN 20:28:12.609963] [Gtk] Error setting gtk-button-images in /usr/share/themes/elementary/gtk-3.0/settings.ini: El archivo de claves contiene la clave «gtk-button-images» que tiene un valor que no puede interpretarse.
[WARN 20:28:12.610083] [Gtk] Error setting gtk-auto-mnemonics in /usr/share/themes/elementary/gtk-3.0/settings.ini: El archivo de claves contiene la clave «gtk-auto-mnemonics» que tiene un valor que no puede interpretarse.
[FATAL 20:28:12.727913] [GLib] g_strsplit: assertion `string != NULL' failed
[FATAL 20:28:12.727987] marlin will not function properly.

using last version on dev ppa.