diff --git a/meta-arm/conf/machine/qemuarm64-secureboot.conf b/meta-arm/conf/machine/qemuarm64-secureboot.conf
index a5b74011..f2c15e61 100644
--- a/meta-arm/conf/machine/qemuarm64-secureboot.conf
+++ b/meta-arm/conf/machine/qemuarm64-secureboot.conf
@@ -12,7 +12,7 @@ PREFERRED_PROVIDER_virtual/kernel = "linux-yocto-dev"
 
 QB_MACHINE = "-machine virt,secure=on"
 QB_OPT_APPEND += "-no-acpi"
-QB_MEM = "-m 1G"
+QB_MEM = "-m 1024"
 QB_DEFAULT_FSTYPE = "wic.qcow2"
 QB_DEFAULT_BIOS = "flash.bin"
 QB_FSINFO = "wic:no-kernel-in-fs"