diff --git a/poky/meta/conf/machine/qemux86.conf b/poky/meta/conf/machine/qemux86.conf
index ae5187c..f2434a4 100644
--- a/poky/meta/conf/machine/qemux86.conf
+++ b/poky/meta/conf/machine/qemux86.conf
@@ -8,7 +8,9 @@
 PREFERRED_PROVIDER_virtual/libgles2 ?= "mesa"
 
 require conf/machine/include/qemu.inc
-require conf/machine/include/tune-i586.inc
+DEFAULTTUNE ?= "i586"
+X86ARCH32 ?= "i586"
+require conf/machine/include/tune-corei7.inc
 require conf/machine/include/qemuboot-x86.inc
 
 UBOOT_MACHINE ?= "qemu-x86_defconfig"