diff -up lightdm-gtk-greeter-1.3.1/src/lightdm-gtk-greeter.c.highcontrast lightdm-gtk-greeter-1.3.1/src/lightdm-gtk-greeter.c
--- lightdm-gtk-greeter-1.3.1/src/lightdm-gtk-greeter.c.highcontrast	2012-08-30 12:39:09.000000000 -0500
+++ lightdm-gtk-greeter-1.3.1/src/lightdm-gtk-greeter.c	2012-12-07 14:21:18.763187445 -0600
@@ -592,8 +592,8 @@ a11y_contrast_cb (GtkWidget *widget)
 {
     if (gtk_check_menu_item_get_active (GTK_CHECK_MENU_ITEM (widget)))
     {
-        g_object_set (gtk_settings_get_default (), "gtk-theme-name", "HighContrastInverse", NULL);
-        g_object_set (gtk_settings_get_default (), "gtk-icon-theme-name", "HighContrastInverse", NULL);
+        g_object_set (gtk_settings_get_default (), "gtk-theme-name", "HighContrast", NULL);
+        g_object_set (gtk_settings_get_default (), "gtk-icon-theme-name", "HighContrast", NULL);
     }
     else
     {