diff --git a/meta-arm/conf/machine/qemuarm64-secureboot.conf b/meta-arm/conf/machine/qemuarm64-secureboot.conf
index 55c4cab457f3..78a39c03c1bd 100644
--- a/meta-arm/conf/machine/qemuarm64-secureboot.conf
+++ b/meta-arm/conf/machine/qemuarm64-secureboot.conf
@@ -7,8 +7,7 @@ KMACHINE = "qemuarm64"
 # secure=on can't ever use KVM, so force it off
 QEMU_USE_KVM = ""
 
-QB_MACHINE = "-machine virt,secure=on"
-QB_OPT_APPEND += "-no-acpi"
+QB_MACHINE = "-machine virt,secure=on,acpi=off"
 QB_MEM = "-m 1024"
 QB_DEFAULT_FSTYPE = "wic.qcow2"
 QB_DEFAULT_BIOS = "flash.bin"