diff --git a/Getting-Started.md b/Getting-Started.md
index ffa07dd..8de37dd 100644
--- a/Getting-Started.md
+++ b/Getting-Started.md
@@ -3,7 +3,7 @@
 
 ## Compile XQEMU
 ### For Mac OS X
-    ./configure --cc=clang --enable-opengl --disable-vnc --disable-user --disable-kvm --disable-xen --with-coroutine=sigaltstack --target-list=xbox-softmmu --enable-debug
+    ./configure --cc=clang --enable-opengl --disable-vnc --disable-user --with-coroutine=sigaltstack --target-list=xbox-softmmu --extra-cflags="-march=native" --enable-debug
     make
 ### For Windows
 It's complicated! See FK's [excellent writeup](https://docs.google.com/document/d/1vW1XAdqC4r8RP6Vfb3F3cOulVuRIDBElGZx94JlIe4c/pub).