--- Makefile	2013-04-18 21:33:44.000000000 +0200
+++ Makefile	2013-06-26 16:25:17.622402991 +0200
@@ -107,7 +107,7 @@
 endif
 
 ifeq (1,$(LINUX))
-    ifeq (x86_64, $(shell uname -p))
+    ifeq (x86_64, $(shell uname -m))
         BITS=64
     endif
 endif