diff --git a/boot-qemu.sh b/boot-qemu.sh
index e6e91ab..fd402e1 100755
--- a/boot-qemu.sh
+++ b/boot-qemu.sh
@@ -300,7 +300,7 @@ function setup_qemu_args() {
                     -smp "${SMP:-$(nproc)}"
                 )
             else
-                QEMU_ARCH_ARGS=(-cpu Nehalem)
+                [[ ${ARCH} = "x86_64" ]] && QEMU_ARCH_ARGS=(-cpu Nehalem)
             fi
             case ${ARCH} in
                 x86) QEMU=(qemu-system-i386) ;;