diff --git a/poky/meta/conf/machine/qemux86-64.conf b/poky/meta/conf/machine/qemux86-64.conf
index 8640867..14873a3 100644
--- a/poky/meta/conf/machine/qemux86-64.conf
+++ b/poky/meta/conf/machine/qemux86-64.conf
@@ -10,7 +10,7 @@
 
 require conf/machine/include/qemu.inc
 DEFAULTTUNE ?= "core2-64"
-require conf/machine/include/x86/tune-corei7.inc
+require conf/machine/include/x86/tune-x86-64-v3.inc
 require conf/machine/include/x86/qemuboot-x86.inc
 
 UBOOT_MACHINE ?= "qemu-x86_64_defconfig"