--- xz-5.2.0/src/xz/args.c~	2014-12-21 13:49:36.000000000 -0500
+++ xz-5.2.0/src/xz/args.c	2015-01-08 19:00:14.122772405 -0500
@@ -211,6 +211,8 @@
 	};
 
 	int c;
+	
+	hardware_threads_set(0);
 
 	while ((c = getopt_long(argc, argv, short_opts, long_opts, NULL))
 			!= -1) {