--- xarchiver-0.5.2.orig/src/pref_dialog.c	2008-11-10 09:05:07.000000000 +0100
+++ xarchiver-0.5.2/src/pref_dialog.c	2009-03-22 23:50:47.000000000 +0100
@@ -102,7 +102,8 @@
 	archive_type = g_list_first (ArchiveType);
 	while ( archive_type != NULL )
 	{
-		if (strcmp(archive_type->data, "tgz") == 0 ||
+		if (strcmp(archive_type->data, "arj") == 0 ||
+			strcmp(archive_type->data, "tgz") == 0 ||
 			strcmp(archive_type->data, "rpm") == 0 ||
 			(strcmp(archive_type->data, "rar") == 0 && unrar) )
 			goto next;