diff --git a/meta-arm/conf/machine/qemuarm-secureboot.conf b/meta-arm/conf/machine/qemuarm-secureboot.conf
index a459f3fa..e48d9642 100644
--- a/meta-arm/conf/machine/qemuarm-secureboot.conf
+++ b/meta-arm/conf/machine/qemuarm-secureboot.conf
@@ -12,6 +12,7 @@ QB_DEFAULT_BIOS = "flash.bin"
 QB_FSINFO = "wic:no-kernel-in-fs"
 QB_ROOTFS_OPT = ""
 QB_KERNEL_ROOT = "/dev/vda2"
+QB_KERNEL_CMDLINE_APPEND = ""
 
 IMAGE_FSTYPES += "wic wic.qcow2"