--- thunar-file-ORIGINAL.c 2011-05-27 00:11:27.000000000 +0200 +++ thunar-1.2.2/thunar/thunar-file.c 2011-08-22 08:00:24.095066077 +0200 @@ -754,7 +754,10 @@ thunar_file_load (ThunarFile *file, target_uri = g_file_info_get_attribute_string (file->info, G_FILE_ATTRIBUTE_STANDARD_TARGET_URI); - file->is_mounted = (target_uri != NULL); + file->is_mounted = (target_uri != NULL) + ? !g_file_info_get_attribute_boolean (file->info, + G_FILE_ATTRIBUTE_MOUNTABLE_CAN_MOUNT) + : FALSE; } } else